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Units of Measure

Phil B. Fontanarosa

and Stacy Christiansen

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A hyphen is used to join 2 spelled-out units of measure.


A hyphen is used to join a unit of measure and the number associated with it when the combination is used as an adjective. (See Temporary Compounds in 8.3.1, Punctuation, Hyphens and Dashes, Hyphen.)

an 8-L container


a 10-mm strip

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