| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024bur1 /bɜr/USA pronunciation n. [countable] - Plant Biologya prickly case around the seeds of certain plants, as the chestnut.
- Plant Biologyany bur-bearing plant.
- Mechanical Engineering burr1 (defs. 1, 3).
- Dentistrya rotary cutting tool like a drill.
bur., an abbreviation of:- bureau.
WordReference Random House Unabridged Dictionary of American English © 2024bur1 (bûr),USA pronunciation n., v., burred, bur•ring. n. - Plant Biologya rough, prickly case around the seeds of certain plants, as the chestnut or burdock.
- Plant Biologyany bur-bearing plant.
- something that adheres like a bur.
- Mechanical Engineering[Mach.]burr1 (defs. 1, 3).
- Dentistrya rotary cutting tool usually of steel or other hard metal shaped into a shank and a head, for removing carious material from teeth and preparing cavities for filling.
- Surgerya cutting tool resembling that of a dentist, used for the excavation of bone.
v.t. - to extract or remove burs from.
- Middle English burre, apparently cognate with Danish burre, Norwegian, Swedish borre bur 1300–50
- Metallurgyburr2.
Bur., - Place NamesBurma.
bur., - bureau.
Collins Concise English Dictionary © HarperCollins Publishers:: bur /bɜː/ n - a seed vessel or flower head, as of burdock, having hooks or prickles
- any plant that produces burs
- a person or thing that clings like a bur
- a small surgical or dental drill
vb (burs, burring, burred)- (transitive) to remove burs from
Also (for senses 1–4): burr Etymology: 14th Century: probably of Scandinavian origin; compare Danish burre bur, Swedish kardborre burdock |