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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38
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6answers
3k views

When is it necessary to use a hyphen in writing a compound word?

Some words are written without hyphens (nonaggression, nonbeliever), and some words are written with a hyphen (well-intentioned). Is there a schema in the use of a hyphen?
7
votes
1answer
3k 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 ...
57
votes
1answer
4k 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?
12
votes
4answers
5k 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 ...
14
votes
2answers
576 views

How to connect a word and a phrase with a hyphen?

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?
18
votes
5answers
1k 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 ...
2
votes
2answers
2k views

When is it appropriate to use a hyphen? [duplicate]

Possible Duplicate: To hyphenate or not? What is the proper way to spell "side dish"? Is it: "side dish" or "side-dish"? Also, Is it "ham-fried" or "ham fried"? Basically, when do you use ...
17
votes
1answer
6k 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"
3
votes
5answers
580 views

Use of hyphens when writing repeated compound words that have common parts

In my native language, Norwegian, one uses hyphens when stating two or more copulated compound words that has common parts (words). In a thesis I'm working on, should I write test specimens, test ...
9
votes
3answers
2k 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 ...
8
votes
2answers
260 views

Chainsaw-equipped or chainsaw equipped?

Is it chainsaw-equipped or chainsaw equipped? And with what kind of former words to use "-" properly?
13
votes
4answers
13k 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?
10
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2answers
534 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 ...
53
votes
14answers
6k 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 ...
13
votes
5answers
4k views

Appropriate dash to use when attributing a quotation?

If I’m citing a poem or quotation, what kind of dash precedes the author’s name? Example: This Business of Printing; which I am heartily tired of, and repent I e’er attempted. . . .           ...
5
votes
3answers
846 views

Is it correct to write “a 5-mm-thick layer”?

Do I need hyphens? Should I use the indefinite article or zero article?
5
votes
3answers
556 views

Is there a grammar rule behind the hyphen in the phrase 'one-act play'?

I noticed that the phrase 'one-act play' always uses a hyphen between 'one' and 'act'. Is there a grammar rule in play here, how does it work?
10
votes
1answer
349 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 ...
3
votes
3answers
297 views

“Hardware-counter-based tools” or “hardware-counter based tools”? [duplicate]

Possible Duplicates: Chainsaw-equipped or chainsaw equipped? How to connect a word and a phrase with a hyphen? "One-Day Only Promotion" or "One-Day-Only Promotion" ...
3
votes
1answer
459 views

Multiple compound words [duplicate]

Possible Duplicate: How to connect a word and a phrase with a dash? Hello, I'm a non-native English speaker and I'm writing a scientific paper about biometric identification based on heart ...
0
votes
2answers
644 views

Hyphenation in compound adjectives [duplicate]

Possible Duplicates: To hyphenate or not? When is it necessary to use a hyphen in writing a compound word? When is it appropriate to use a hyphen? In the sentence "Portland is known to ...
8
votes
3answers
559 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 ...
5
votes
3answers
2k views

adding a prefix “re” 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 ...
2
votes
1answer
163 views

Using hyphen and quote marks in composed term? [duplicate]

Possible Duplicate: When is it necessary to use a hyphen in writing a compound word? I want to write a term composed out of multiple words, and I would like to know whether I have to use ...
2
votes
1answer
180 views

Doubly hyphenated words

Consider the word quasi-first-class. Are the hyphens used correctly? Should the two hyphens be of different length to denote the distinction of the hyphenation? Is there a general rule to deal with ...
2
votes
2answers
640 views

“One-Day Only Promotion” or “One-Day-Only Promotion”

A copywriter I'm working with wrote "One-Day Only Promotion" but my feeling is that "One-Day-Only Promotion" is correct. The first three words describe 'Promotion'. I know you don't hyphenate adverbs, ...
22
votes
5answers
951 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: ...
9
votes
2answers
29k views

How do I properly hyphenate “well thought out”?

Is it spelled well thought-out, or well-thought out, or well thought out?
8
votes
3answers
399 views

Different syllabic boundaries in various dictionaries?

Consider, for instance, the word "university": American Heritage: u·ni·ver·si·ty Collins Cobuild: uni|ver|sity Merriam Webster: uni·ver·si·ty As you see, syllabic boundaries differ. I read ...
5
votes
2answers
719 views

Hyphens in verb construction containing prefix such as “re”

In semi-formal business writing in the United States, I often observe that writers tend to add a hyphen between a prefix and the root infinitive of verbs. In many of the cases, the resulting verb ...
3
votes
2answers
214 views

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

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 ...
2
votes
3answers
1k views

How does the hyphen change the meaning in expressions like “high performance” and “high-performance”?

I'm wondering about the distinction between expressions like "high performance" and "high-performance", or "high level" and "high-level" and other similar pairs of words which are sometimes used with ...
2
votes
1answer
200 views

Hyphenation of “balaclava”

Balaclava is hyphenated as: bal-a-cla-va, according to the online edition of Merriam-Webster ba-la-clava, according to the 1989 printed fourth edition of Oxford Advanced Learner's Dictionary, ...
2
votes
4answers
376 views

How to write dashes in “a 2-4-room-apartment”?

I want to write in the announcement a description of an eventual apartment, which I am searching as a rental. I am interested in apartments with 2, 3, or 4 rooms. How should I write the compound ...
1
vote
3answers
659 views

Using hyphenated words in technical writing?

I always get confused when using hyphenated words in my research papers. Is there any specific rule for using hyphenated words? For example, which one of the following is the correct usage of co ...
46
votes
9answers
4k 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?
11
votes
1answer
425 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 ...
5
votes
3answers
1k views

Use of comma separating two adjectives

If I had the phrase two blond haired, blue eyed people would the comma be out of place? should I hyphenate "blond haired" and "blue eyed"?
3
votes
1answer
2k 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 ...
1
vote
3answers
1k views

Hyphen or no hyphen when modifying an adjective with a quantity?

I have a sentence which has an object that is described with an adjective: We need to inform our interested patrons of this change. If I modify "educated" with "more" or "less", do I connect the ...
8
votes
5answers
319 views

Can word-hyphenation ever be semantically significant?

I was prompted by this question (difference between ecosystem and eco-system) to wonder whether word-hyphenation can ever be semantically significant. My gut instinct is to say that since hyphenation ...
6
votes
3answers
2k views

What do you call words that are separated by a hyphen?

What do you call words like one-note that are separated by a hyphen?
3
votes
2answers
551 views

Ways to write “2000 year old”

Which of the following are correct and which are wrong? The 2000-year-old computer The 2000 year-old computer The 2000 year old computer The 2000-years-old computer The 2000 years-old computer The ...
3
votes
3answers
839 views

“Stand up comedy”, “standup comedy”, or “stand-up comedy”?

I've seen all three versions for describing a person on stage performing comedy: "stand up", "standup", and "stand-up". My guess is that the term started as two words, but as the performance form ...
3
votes
2answers
185 views

Repetition of hyphen in shared prefixes [duplicate]

Possible Duplicate: Can a hyphen be used without anything on the right side? I'm trying to discuss types of semiconductor, there is P-type and N-type. Assuming my hyphenation is correct, ...
2
votes
3answers
2k views

Should it be “mid 80s” or “mid-80s”?

When discussing temperatures or decades, should it be hyphenated? I understood that two-word adjectives need to be hyphenated, but why does MS Word think this should be, too?
2
votes
4answers
873 views

What's up with the hyphen in “orang-utan”?

For most of my life 'till about a couple of years ago, I had only seen the spelling orangutan written to describe those delightful red-headed apes from the tropical forests of Borneo. Lately, though, ...
1
vote
1answer
392 views

Hyphenation of “prerequisite”

I'm proofreading my thesis, and found that TeX in its infinite wisdom had decided to hyphenate prerequisite as pre-req-ui-site. I've replaced it with pre-re-qui-si-te, but I'm a bit unsure what the ...
0
votes
2answers
209 views

Usage of hyphens with numeric measurements

What is correct: two 1-Gb links; two 1 Gb links; or two 1Gb links? I suspect the first, however I do not know the name of this situation, which makes it difficult to for me to find via Google. I ...