英语词汇“quat”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

quat1

/kwat/ /kwɒt/

noun

1A pimple, a pustule; a small boil. Now English regional (chiefly midlands ).

2 English regional (chiefly west midlands ). An inflamed swelling on the edge of an eyelid; a sty.

Origin

Late 16th century; earliest use found in William Langham (fl. 1597), doctor and herbalist. Origin unknown.

quat2

/kwɒt/

Chemistry

noun

A quaternary ammonium cation or salt, especially one used as a disinfectant, herbicide, or surfactant.

Origin

1940s. Shortened from quaternary. Compare earlier quaternary.

quat3

/kwɒt/

Now chiefly English regional (south-western ), Welsh English, and Newfoundland

verb

1To crouch down close to the ground, as an animal in hiding; to squat.

2 [with object] To beat or press down; to squash, flatten; to crush.

Origin

Late Middle English; earliest use found in Edward, Duke of York (fl. c1373–1415), magnate. From Middle French quatir, catir, coitir to hide (oneself), to crouch (used reflexively; 1200 in Old French), to hide, to fall to the ground, to beat (14th cent.; earliest with reference to the sound of a stork shutting its bill; compare also an apparently isolated use in sense ‘to thrust’; French catir to press, beat (in clothmaking and in gilding), French regional (northern and western) se catir, se coitir to hide oneself, to crouch), further etymology uncertain, perhaps ultimately from classical Latin coāctus compressed, compelled.

单词	quat
释义	quat1 /kwat/ /kwɒt/ noun 1A pimple, a pustule; a small boil. Now English regional (chiefly midlands ). 2 English regional (chiefly west midlands ). An inflamed swelling on the edge of an eyelid; a sty. Origin Late 16th century; earliest use found in William Langham (fl. 1597), doctor and herbalist. Origin unknown. quat2 /kwɒt/ Chemistry noun A quaternary ammonium cation or salt, especially one used as a disinfectant, herbicide, or surfactant. Origin 1940s. Shortened from quaternary. Compare earlier quaternary. quat3 /kwɒt/ Now chiefly English regional (south-western ), Welsh English, and Newfoundland verb 1To crouch down close to the ground, as an animal in hiding; to squat. 2 [with object] To beat or press down; to squash, flatten; to crush. Origin Late Middle English; earliest use found in Edward, Duke of York (fl. c1373–1415), magnate. From Middle French quatir, catir, coitir to hide (oneself), to crouch (used reflexively; 1200 in Old French), to hide, to fall to the ground, to beat (14th cent.; earliest with reference to the sound of a stork shutting its bill; compare also an apparently isolated use in sense ‘to thrust’; French catir to press, beat (in clothmaking and in gilding), French regional (northern and western) se catir, se coitir to hide oneself, to crouch), further etymology uncertain, perhaps ultimately from classical Latin coāctus compressed, compelled.
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