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A chemical term with two common uses. In chemistry, it names a family of substances made from acetic acid, the acid found in vinegar, so you'll see it in ingredient lists or lab contexts. More for everyday life, 'acetate' is also a type of clear or lightly colored plastic material, used for things like eyeglass frames, overhead sheets, and photo film.
醋酸鹽；(材質)醋酸纖維、賽璐璐片
組成acet + ate. 'Acet-' relates to acetic acid, the acid in vinegar, and '-ate' is a chemistry ending used for a type of chemical compound.
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
acetatenoun/ˈæsɪteɪ̯t/
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chemistrynatural-sciencesorganic-chemistryAny ester or salt of acetic acid.
- […] to pad a piece in diluted acetate of alumine to obtain a pale lemon ground […]
- The goods should be handled for about twenty minutes in a solution of sugar (acetate) of lead, pressed out of that and then passed through a solution of this chrome, then aired, passed through the lead and washed and dried.
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Cellulose acetate.
- Performers use acetate because eyelash glue is not available. They create eyelashes out of horse hair or cut from carbon paper. Their nails are glued on with a shoe adhesive.
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A transparent sheet used for overlays, whether of cellulose acetate or (loosely) any macroscopically similar plastic.
- Near-synonym: gel
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In full acetate disc: a disc of aluminium covered in a wax used to make demonstration copies of a phonograph record.
- Acetates are a relic of the days before cassettes, DAT, and recordable CDs came into widespread use in recording studios. Manufactured from aluminum, and coated in a thin sheet of vinyl, they were produced to allow the concerned parties to hear how a particular version of a recording would sound outside the studio, on their home hi-fi, for example.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。