acetate

/ˈæsɪteɪt/ (bre, ipa) · /ˈæsɪteɪt/ (ame, ipa) · /ˈa-sə-ˌtāt/ (ame, mw)

acetate — noun

1. Any compound formed when acetic acid combines with another substance such as a m

1.名詞C2
釋義

Any compound formed when acetic acid combines with another substance such as a metal or alcohol; many of these compounds appear in dyes, medicines, and food additives.

例句

Sodium acetate is added to many snack foods to give them a salt-and-vinegar flavour.

compound name pattern: [metal] + acetate

Dr. Patel mixed copper acetate into the solution and watched it turn deep blue.

named subject with technical object

同義詞
  • ethanoate

    the formal IUPAC chemistry term for the same compound family

文法句型

acetate of [metal]

[noun] acetate

用法筆記

Often appears as the second word in a fixed pair such as 'sodium acetate' or 'lead acetate'. Distinguish from sense 2 by context: sense 1 always names a chemical, never a fabric or material.

常見錯誤

❌I bought a sodium acetate shirt.
✅I bought an acetate shirt.
💡the chemical compound (sense 1) is not a clothing material; the fabric meaning (sense 2) is just 'acetate' alone.

2. A soft, shiny man-made fabric, made from threads of cellulose acetate, that feel

2.名詞C1
釋義

A soft, shiny man-made fabric, made from threads of cellulose acetate, that feels similar to silk and is often used to line jackets, dresses, and skirts.

例句

The lining of Bram's wedding dress was made of pale pink acetate.

typical context: dress / jacket lining

Acetate feels smooth and cool against the skin, much like real silk.

subject = the fabric itself, uncountable

同義詞
  • rayon

    another cellulose-based artificial fabric, but spun differently

  • viscose

    similar silky look, but made through a different chemical process

文法句型

made of acetate

[noun] in acetate

用法筆記

Almost always uncountable in this sense. Frequently paired with 'lining', 'dress', 'shirt', or 'fabric'. Distinguish from sense 1 by the surrounding words: if the text mentions clothing, sewing, or texture, this is the fabric sense.

常見錯誤

❌She wore two acetates to the party.
✅She wore two acetate dresses to the party.
💡the fabric sense is uncountable, so you need a head noun like 'dress' or 'blouse'.