A prefix is an affix which is placed before the stem of a word

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What does the prefix iso- mean in “isolate”? [closed]

My question is referring to the prefix iso- and its meaning in the word isolate. My question is, if the prefix means equal, how does that make sense in the word isolate?
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What are antonym-like prefixes to the Greek “crypto”?

What is a prefix that is similar to "public", or "accessible", or "ubiquitous" such that it is harmonious with the spirit of currency needing to be of public domain, widely adopted, accessible, etc. ...
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2answers
396 views

Is “to” a prefix in English?

I was thinking about the words "today" and "tonight" and trying to think of what "to" means in these words. A cursory Google search turns up no results for "to" in any prefix lists.
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“Unauthentic” vs. “inauthentic” [closed]

Is there really no difference between inauthentic and unauthentic? If there is, which is more correct?
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To outstay vs. overstay one's welcome

I came across the expression "outstayed my welcome" in the following excerpt of a novel I glance around and see that the café has filled up with people ordering lunch and that a couple is queuing ...
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Are there other words which share the prefix “ig” to mean opposite, such as ignoble? [closed]

I'm wondering what other words share this prefix. Ignore (ignorance) comes to mind, though not strictly opposite (as "nore" is not a word. Nor is "norance"). Though the implication of "lacking ...
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1answer
307 views

What's the difference between unapproachable and inapproachable? [closed]

Could anyone explain why does it have two versions, because as far as I know, there are some rules of formation of antonyms. Isn't there should be only one proper prefix? Or both are possible? Thank ...
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332 views

Are there any words similar to “abnormal”? [closed]

If we remove ab-, the word abnormal becomes normal, which is the opposite. Are there any other words that are similar and start with the prefix ab-?
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Why is it “behead” and not “dehead”?

The be- prefix in behead doesn't seem to match similar words like become, besmirch, or befuddle. Of course, the same prefix could serve different roles depending on the word. What role is be- serving ...
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1answer
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Are products of wordsmithing proper english?

Several languages in which English has its roots have easily definable rules. For example, sticking "A" in from of an adjective can mean the opposite of that adjective (Asymmetrical, symmetrical), ...
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633 views

When do I use non-, ir-/i-, dis-, a-, or un-?

Between using the prefixes non-, ir-, i-, and dis-, a-, or un-, meaning "not (root word) to do something", when is the best time to use each?
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353 views

Is there a fraction prefix for “(one-)third”?

I am a mathematician, working with things called 1⁄k-regular polytopes, dubbed thus by Conway. For the case of k = 2, as in ½-regular, it is naturally pronounced and written half-regular. However, I ...
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88 views

Order of prefixes when more than one is present

In Words having two prefixes incorporated the person asking the question is curious about the name for words with more than one prefix. I am interested in knowing the rules dictating their order. Why ...
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Why do we say INcomplete but UNcompleted?

I'm a native speaker and it's just occurred to me that this is a strange irregularity: "The work is incomplete." < Fine "The work is uncompleted." < Less common but still sounds ...
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1answer
113 views

What do you call a tristate when there are only two states?

In programming the word "tristate" is used quite often to indicate an object with three possible states. A checkbox is a good example, it can be checked, unchecked or it can have no value yet. I now ...
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1answer
874 views

Difference between the prefixes, “mis” and “dis” [duplicate]

What is the difference between mistrust and distrust?
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218 views

Hyphenation of SI prefixes

I constantly see variations in the hyphenization of words containing SI prefixes. Nano-, micro-, milli-, etc. But when is it proper to ditch the hyphen, and when should it be included? For example, ...
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228 views

Is it correct to use un-tinted or non-tinted in this use?

Related forms nontinted, adjective overtint, verb overtint, noun retint, verb (used with object) untinted, adjective Source: http://dictionary.reference.com/browse/untinted?s=t One ...
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Are there many words that come with “a” as the prefix to mean “no, non” like “asymptomatic” and “apolitical”?

I didn’t know the word, “asymptomatic” to my shame, until I heard the following narration in AP Radio news aired on October 27 through AFN network: “Dr. Anthony Fauci with the NIH says CDC ...
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1answer
397 views

Why can “trans” be replaced with an x?

I can't think of an example, so I may be wrong about this, but I think I've seen people replace the prefix "trans" as in transport with an x. "Cross" makes sense, as in "railroad crossing", and I ...
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Any word followed by “proof” means that something is protected against that word

I was wondering if you combine any word and add "proof" at the and, does that automatically means that it is protected against the first word? For example: Bulletproof - means something that can't ...
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1answer
449 views

Curious about “en-” and “-en” in the same word…

There’s a motorcycle part called the “enrichener.” To my ears, it sounds like the “en-” prefix and “-en” suffix (in the enrichen part of enrichener) are redundant. Of course, there is also ...
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Terminology for a word containing a prefix/suffix or neither

Does terminology exist for discriminating between words which do/don't contain a prefix/suffix? How could I describe this difference in the synonyms 'discontinue' and 'stop'? Here, 'dis' is a prefix ...
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3answers
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What is the combining form of 'Christian?'

I recently heard the term 'Judeo-Christian' which caused a thought to strike me. I don't know how to switch the order of the classical compound (word). What is the combining form of 'Christian?' ...
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Should I say “declutter” or “unclutter”?

Which verb is more appropriate (and older) for clearing out my desk: declutter or unclutter and why? I should declutter my desk I should unclutter my desk Dictionary.com defines ...
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Why do we have the prefix “be” in “befriend”? What's the rule? [duplicate]

What is the verb form of the noun friend? I know it is to befriend, but I am confused as to how to teach this to my daughter. When is the prefix be used to make verbs? Is "befriend" an exception?
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Is “omni” a prefix or a root word? [closed]

I always thought it was a prefix, but then doing a google search confused me. I need to explain why a word like "omnipotent" is often mispronounced. If "omni" is a root word, it would be easy to ...
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“Inter-”, “multi-”, “cross-”, “trans-” in relation to disciplines

In academia the words inter-discipline, multi-discipline, trans-discipline, or cross-discipline are used to describe a type of combination between different disciplines or the uniqueness of a field. ...
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438 views

Is a stem word required with a prefix and suffix combination?

Suppose the following lexeme: mononess Consisting of the prefix "mono-" (meaning "one") and suffix "-ness" (meaning "the quality of"), but no stem/root word. Could this lexeme be a valid word ...
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Proper term for knowing four or more languages?

If bilingual means you know two languages, and trilingual means you know three, what would be the proper term for knowing four, five or even six languages?
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1answer
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Adding a suffix and a prefix to the word “ocean” [closed]

Is it possible to add a prefix to the word ocean? Also, is it possible to add a suffix to it as well?
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3answers
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What is the meaning of unhighlight [closed]

What does the word "unhighlight" mean? Alternately, is it even a word? What would be its usage? I can't find it in my dictionary or on the internet. I am using it in the context of if you highlight ...
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Use of peri- prefix where sub- and super- are commonly used (Or, is periterranean valid?)

While trying to construct a description of the various train networks of London, I wanted to use the word periterranean to mean "close to the ground", with reference to subterranean (under the ground) ...
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290 views

When to use under and over as prefixes rather than adverbs with past participles

Is there a rule on when under and over are used as prefixes rather than adverbs when attached to past participles (and whether or not they are hyphenated)? In general, it seems that both words are ...
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untypical, atypical, nontypical

I'm trying to label customer data with a word describing how typical they are. There is basically 3 possible values: typical, temporarily untypical, untypical. But I'm not sure if "untypical" is the ...
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Signature for Doctor of Information Technology prefix and suffix [closed]

How can I sign my name with the degree of "Doctor of Information Technology" Is this all correct Dr.Full Name Full Name D.I.T Dr Full Name (Doctor of Information Technology) Dr.Last Name Can I ...
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How to hyphenate a negated compound noun?

We have a term for a process, "defect source assessment". We want to describe a set of processes that are not related to that process. Which of the following (if any) would be correct? non ...
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1answer
303 views

meaning of Republic [closed]

I've been thinking what might be the real meaning of the word Republic? As far as I know the prefix re- gives the base word the meaning of again; as in renew, replace, reclaim. I am wondering what ...
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Is it ok to use Er. if a person is engineering degree holder [duplicate]

Its usual that we see doctors use Dr. Title, but I have also seen engineers use title - Er. Is this practise allowed, approved? I have seen few name boards like that in India.
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A word that means 'most important'?

I tried to find a single word that means "most important", but I couldn't. I want it to be able to express what's missing below: If you get hurt, the _ thing to do is to stay calm. It would ...
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1answer
476 views

Origin and usage of “nu-” (e.g. nu-metal)

Not every dictionary I checked has "nu-" but here are a few examples: nu- dictionary.com — indicating an updated or modern version of something: nu-metal music Bing — new: ...
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How to form this tag question?

We always use a positive tag question after a negative sentence: You shouldn't take this medicine, should you? We use a negative tag question after a positive sentence: She must leave early, ...
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2answers
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Is there a gender-neutral prefix for “parent”?

The prefixes "patr-" and "matr-" refer, respectively, to father and mother--e.g., a patriarch is a father who rules a family, and a matrilineal society is one where property is passed from mother to ...
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1answer
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confusion about the 'ch' sound [duplicate]

i am confused about using the "ch" as there are three sound starting with "ch" as-/k/sound, and like these. is there some important rules to find out word formation?.someone please help me.
5
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2answers
751 views

Pronunciation of the prefix “tri”

I know that English pronunciation is rather arbitrary. There are still some "rules" that even with many exceptions are useful for non-natives like me. I'm puzzled about the pronunciation of the very ...
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3answers
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Why does “quadratic” describe second power when “quad” means “four”?

In mathematics, quadratic means "involving the second and no higher power of an unknown quantity or variable". But the prefix quad- usually describes something that has to do with four, such as ...
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Should there be a hyphen in 're-rate'?

If you have already rated something and then you want to rate it again, what is the correct term? Rerate or Re-rate?
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2answers
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Is there any dictionary that decomposes an English word into prefix, root, and suffix?

Is there any dictionary that shows the decomposition of each word into these three parts, if application at all? For instance, "incapable" is divided into prefix "in", root "cap", and suffix "able". ...
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1answer
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Difference between the terms 'famous' & 'infamous'; 'valuable' & 'invaluable'

Question in Short: Why is it that the terms valuable and invaluable mean almost the same thing while the terms famous and infamous are almost semantically opposite in meaning? That is, one is used to ...
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2answers
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How do I address an envelope where one person has a professional title but their spouse does not? [closed]

When addressing an envelope to Dr John Smith and his wife, Jane Smith, what would be the proper form to utilize? I have been using "Dr. and Mrs. John and Jane Smith", but I was told by my co-worker ...