WebThe basic rule is, Use hyphens for ages expressed as adjectives before a noun or as substitutes for a noun. Do not use hyphens when you are simply stating the age of … WebThe worker is 30 years old. My brother is 25 years old. The building is 18 years old. ... Use hyphens for ages that are expressed as adjectives before a noun or as substitutes for a noun. For example, The 5-year-old boy went to school (adjective before a noun). Kindergarten is for 5-year-olds (substitute for a noun). Some more examples,
Hyphens, En Dashes, Em Dashes - The Chicago Manual of Style Online
WebA 6-year-old boy; An 8-year-old car; A 4-year-old house; Use hyphens for ages expressed as adjectives before a noun or as substitutes for a noun. For example, The 5-year-old … WebWhen age or length of time is expressed as an adjective in a sentence, either before a proper noun or as a substitute for a noun, it should be hyphenated. Also, the rule applies … chromosome inactivation definition
When to Hyphenate an Age
WebMar 10, 2024 · five-year-old boy; seventy-three-year-old grandma; seven-year itch; fifteenth-century castle; second-place medal; third-grade class; A grammar guru, style editor, and writing mentor in one package. ... Hyphens can also help ensure that readers emphasize a syllable correctly to avoid confusion with another word. “Re-collect” will tell … WebSep 12, 2024 · Are you looking after a six-year-old, or a six year old? Knowing when to hyphenate ages can be tricky, but not impossible. Learn how to know the difference here. WebJun 9, 2024 · Presidential candidates must be at least thirty-five years old. If the first word of a compound adjective is a number or a fraction, use a hyphen. ... For whole numbers below 10, the hyphen is generally omitted. 3.5-fold. 20-fold. twofold. If a root word already contains a hyphen, or is actually a multi-word phrase, a hyphen is required when ... chromosome in bacteria