Questions tagged [hyphenation]

A hyphen is a symbol used to join two words or two syllables of a single word together. It is not to be confused with dashes or the minus symbol, as these are all longer than the hyphen and serve different purposes in language.

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294
votes
1answer
377k views

When should I use an em-dash, an en-dash, and a hyphen?

I generally know how to use a hyphen, but when should I use an en-dash (–) instead of an em-dash, or when should I use a hyphen (-) instead of an em-dash (—)?
145
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9answers
84k views

“Username”, “user name” or “user-name”

In computer science, you should have a username or a user name or a user-name and a password to be able to log into the system. Which one is the correct spelling?
137
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5answers
109k views

Is it “front-end”, “frontend”, or “front end”?

Which is correct? front-end engineering frontend engineering front end engineering I looked over http://www.grammarbook.com/punctuation/hyphens.asp, referenced in this answer, and I'm still not sure ...
121
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7answers
46k views

When should com­pound words be writ­ten as one word, with hy­phens, or with spaces?

Some compound words are written without hyphens (nonaggression, nonbeliever), some with hyphens (well-intentioned), and others with spaces (post office). Is there a rule or good guide as to which ...
102
votes
14answers
84k views

“Email” or “e-mail”?

Which way of writing the word: "Email" or "e-mail" is correct? Both variants seem to be in wide use. If both ones are okay, maybe there is a difference in contexts they have been used (one is more ...
70
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1answer
100k views

Do you capitalize both parts of a hyphenated word in a title?

Do you capitalize both parts of a hyphenated word in a title? "My Ex-Wife Hates Me" or "My Ex-wife Hates Me"
53
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4answers
208k views

What are the rules for splitting words at the end of a line?

What are the rules in English language to split words at the end of a line? Where exactly must the hyphen split the word?
43
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3answers
358k views

Co-Founder, Co-founder, or cofounder?

I've seen all three used and there doesn't seem to be a definitive one that I can find. I'm hedging towards Co-Founder as it's a title, but any clarity would be appreciated. Edit If it makes it any ...
38
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4answers
84k views

“Real time”, “real-time” or “realtime”

Which of real time, real-time and realtime is correct when you are talking about seeing something as it happens?
36
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5answers
81k views

Should I use “ related” or “-related”

What is the correct use of the term "related?" For example, should I use it like computer related, or is it more proper to use computer-related (where the word "computer" is just part of my example?)...
36
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4answers
180k views

Do I keep myself “up-to-date” or “up to date” on something? [duplicate]

The question is quite straightforward: Which of the following is preferable? "I keep myself up-to-date on the latest technology." "I keep myself up to date on the latest technology.&...
30
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1answer
37k views

How to use hyphens appropriately when listing multiple hyphenated terms?

If multiple hyphenated terms share the same latter half, and I wish to list them without repeating that latter half, how should the hyphens be placed? For example: I will be investigating control ...
29
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5answers
33k views

Is it proper to use a colon followed immediately by a hyphen?

I have seen some writing where people have a list or a figure in writing and they will write something like this: The information is provided in Image 3:- Is that correct? Is this a British ...
29
votes
1answer
80k views

“Logged-in”, “log-ined”, “login-ed”, “logined”, “log-in-ed”, “logged in”? [duplicate]

Possible Duplicate: “log in to” or “log into” or “login to” This following question, where and how to append "-ed", is not addressed in thу "possible ...
27
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6answers
26k views

“Runtime”, “run time”, and “run-time”

The CLR under .NET is referred to as the "Common Language Runtime." It seems that the convention is "runtime" for a noun and "run-time" for the adjective. Is this correct or should it be "runtime" ...
27
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3answers
32k views

Is the use of a hyphen between “non” and an adjective strictly necessary?

Do I need to put a "-" between "non" and an adjective? As an example in physics we say "a non isolated photon", "non tight photon"... The context is very formal (paper publications and similar). Is ...
27
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7answers
9k views

Is a lengthy combination of words with hyphens like “the worst not-technically-in-a-recession year in American history” a new fashion of writing?

I found a hyphenated word , “not-technically–in-a-recession” in the sentence of September 28 New York Times’ article titled “Why Obama Is Winning,” written by co-ed columnist, Ross Douthat. It reads: ...
27
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5answers
13k views

What is the standard rule for using or not using hyphen and diaeresis on the words like reelect , reexamine, and cooperate?

I found that diaeresis is used on the word, reelection in the following sentence of the article titled “Rational Irrationality” in the New Yorker magazine (April 27). “This morning’s news that ...
26
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5answers
5k views

“Upvote” vs. “up vote” vs. “up-vote”

Should I use "upvote", "up vote", or "up-vote" on SE sites? What about "downvote"? They're not words in the sense that they're in the dictionary, but they are commonly used in this community. Also, "...
26
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4answers
114k views

How do I properly hyphenate “well thought out”?

Is it spelled well thought-out, or well-thought out, or well thought out?
26
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3answers
3k views

Is it correct to hyphenate with compound premodifiers? If so, where is the hyphen placed?

For example, "file system" and "related". Is it "file system-related"? It will appear as if it is a compound of "file" and "system-related", won't it?
26
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5answers
26k views

How do I hyphenate an open-form compound word with another that should be hyphenated?

I'm confused about how to combine an open-form compound word with a word that would normally be hyphenated. There's excellent guidance for making the open vs. closed vs. hyphenated decision, but I don'...
25
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9answers
108k views

How do you spell wifi / Wi-Fi / WiFi?

This is probably related to whether one should capitalize Internet or not. I am looking for the correct spelling of wifi when referring to a wireless connection to the Internet. I want to tell the ...
19
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4answers
23k views

Which is more correct: “Plug-in” or “plugin”?

What is the correct word, plugin or plug-in? Does it depend from the context?
19
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5answers
29k views

“Lowercase”, “lower-case”, or “lower case”

Is it lowercase, lower-case, or lower case?
19
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1answer
40k views

Correct spelling and/or hyphenation for electronic commerce

What is the correct spelling and/or hyphenation for the abbreviation of electronic commerce? I have seen the following variations. eCommerce E-Commerce ECommerce E-commerce
16
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5answers
341k views

Which is the correct spelling: “Granddad” or “Grand-dad” or “Grandad”?

Granddad or Grand-dad or Grandad? Which is the correct spelling?
16
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3answers
13k views

Using “non-” to prefix a two-word phrase

Does "non-" prefixed to a two word phrase permit another hyphen before the second word? If I want to refer to an entity which is defined as the negation of another entity by attaching "non-" it seems ...
15
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3answers
14k views

Can there be a hyphen in “nonlinear”?

As the title says, I'm wondering if "non-linear" is an acceptable spelling of the word "nonlinear." A bit of research on this site turns up Is the use of a hyphen between "non" and an ...
14
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2answers
30k views

To hyphenate or not?

As a non-native speaker of English and an engineer by training, I always get confused about hyphenation and almost always end up referring to Google every time I need to make that decision. Does ...
14
votes
1answer
5k views

Fractions as phrasal (compound) adjectives

Is there a difference between a written-out fraction that serves as a noun: He gave me one half of his sandwich. and a written-out fraction serving as an adjective: I gave her a one-half share ...
14
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3answers
147k views

“You should be well-organised” or “You should be well organised”?

Should I hyphenate the term 'well organised'? The context, if it matters, is the following sentence: For this role you should be well organised and analytical with some research ability. (I see ...
14
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3answers
15k views

Timestep, time step, time-step: Which variant to use?

I am writing a piece on integration of differential equations. One of the words that I have to use frequently is "timestep" (however it is written), i.e. a step forward in the "simulated" time. There ...
13
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5answers
9k views

Pronunciation of “-” sign, particularly in Unix commands

While talking about commands for command-line interface, I sometimes need to pronounce how command should be typed, like this one: nc -l -p 1234 I used to pronounce - sign in this context as a "...
13
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5answers
10k views

“object-oriented” vs “object oriented”

When should we use "object-oriented" and when "object oriented" when talking about programming? An example: Why should I start writing object oriented code? I personally think that there should ...
13
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2answers
2k views

Can a hyphen be used without anything on the right side?

From this page: [...] in early parts of this century when it was the most user- and hardware-friendly Linux operating system available [...] Is the user- fragment valid (outside this technical/...
13
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5answers
57k views

Differences between “coordinate” (n.) and “co-ordinate” (n.)

I can't seem to spot any differences or usages where one would use the hyphenation version versus the non. According to Online Etymology they both point to coordinate. I can see co-ordinate (v.) ...
13
votes
1answer
46k views

Why is it “grandfather”, but “great-uncle”?

I know that there are six forms of this word, but "great-uncle" is most common ("great-aunt" has a similar graph). Why is this, if "grandfather" and "grandmother" are common? http://ngrams....
12
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3answers
5k views

Is Hyphen Really the Longer – line instead of the shorter dash - line?

I had a discussion with some people today on hyphen and dashes. They had concluded that hyphen, which is used to link two connecting words (book-bag) is the longer line – instead of the shorter line -,...
12
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6answers
2k views

How can I change the tense of a hyphenated verb?

I'm certain this can't be the only example there is of a hyphenated verb, but it's the only one I can think of right now. How should one appropriately convert "mouse-over" into the past tense? ...
12
votes
3answers
27k views

Which is right: “drop-down” or “drop down”?

What is the proper way to write this term when writing product documentation? Hyphenated or not? drop down list or drop-down list?
12
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1answer
7k views

Post-hyphenation of split compound words

Assuming that these two words off-topic on-topic must be hyphenated, which of the punctuations in the following sentences is correct? (crucial part emphasized) Regardless of whether it is an off or ...
12
votes
2answers
71k views

Do I use timeslot or time slot or time-slot?

As in "the timeslot given to completing the task". Would also be interested to hear if there's different usages for different scenarios.
12
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3answers
33k views

Use of hypens with “auto”: autopopulate, auto-populate, or auto populate?

I've done a fair amount of research (like here), but I can't find any examples of hyphen rules with "auto". Microsoft Word doesn't take "autopopulate", but will accept either auto-populate or auto ...
12
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2answers
2k views

“Open source” as a verb

I encountered a problem when I started to write a report including some notes on open source software. The problem I have is if I can use open source as a verb like: We open sourced some ...
12
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2answers
14k views

Is the usage of a hyphen in “ad hoc” acceptable? [closed]

I know that "ad hoc" is a Latin phrase and I've typically seen it used without a hyphen. However, many technical articles use a hyphen. For example: Ad-hoc mode is useful for establishing a network ...
11
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4answers
18k views

Should the prefix “re” be added to a word with or without a hyphen?

In science we often invent words, but that doesn't mean we know how to spell them. Most of the time words are invented by adding prefixes. In that case should there be a hyphen or not? Specifically, I ...
11
votes
4answers
49k views

Why does “one half” have no hyphen, but “two-thirds” does?

I often see the fraction ⅔ written with a hyphen, but I never see ½ written with one. Is it correct to have the hyphen in two-thirds, and if so why don't we write one-half?
11
votes
2answers
4k views

When to use a hyphen to coin a new word and when to omit a hyphen?

Someone has asked for answer to these topics. However, I still want someone to provide me with simple and universal answers. I recently read a sentence from the English-speaking person. It is in an ...
11
votes
6answers
38k views

Which would you use: full-size, full-sized, full size or full sized?

I want to use full-sized, as in: Click here to download a full-sized version of this image. But Google NGrams disagrees: So, given: full-size full-sized full size full sized which would you ...

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