Hyphens Exercise (661)

In each sentence, determine whether one or hyphens should be inserted or omitted.

Answers and Explanations

1.
Original: Genetic testing will help you make informed medical decisions, including treatment for an already-diagnosed cancer.
Correct : Genetic testing will help you make informed medical decisions, including treatment for an already diagnosed cancer.

"Already" is an adverb modifying "diagnosed," not an adjective combining with "diagnosed" to modify "cancer," so there is no need for a hyphen in the adverbial phrase.

2.
Original: How are projects managed day-to-day?
Correct : How are projects managed day to day?

The phrase "day to day" requires hyphenation only when it precedes a noun, as in "day-to-day project management."

3.
Original: The president elect has kept an unusually low profile.
Correct : The president-elect has kept an unusually low profile.

The term "elect" is hyphenated to a preceding office title to indicate that the person so identified has been elected to hold that title but has not yet begun to do so.

4.
Original: The creature has an odd shell like hide.
Correct : The creature has an odd shell-like hide.

The suffix "like" is hyphenated to the word it follows when that word is a proper noun ("Christ-like," for example) or when the last word ends with an "l," as here (whether the word and the suffix precede or follow a noun); otherwise, the term is a closed compound ("birdlike," for example).

5.
Original: The population increased ten-fold.
Correct : The population increased tenfold.

The suffix "fold," denoting a multiplication of a number, is not hyphenated to the number when the number is spelled out; it is hyphenated when attached to a numeral (for example, "10-fold").

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