acetate
acetate — noun
1. Any compound formed when acetic acid combines with another substance such as a m
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.
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
The pharmacy label showed that the cream contained a small amount of zinc acetate.
Factories in the valley release several acetates into the river each month.
Scientists at the university study how plants absorb potassium acetate from the soil.
- 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
2. A soft, shiny man-made fabric, made from threads of cellulose acetate, that feel
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.
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
Hiro picked a navy blazer with a soft acetate lining for the wedding.
The shop sells curtains in cotton, polyester, and shiny acetate.
Many cheap evening gowns are made of acetate rather than real silk.
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.