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单词 castoreum
释义

castoreum

enUK

cas·tor·e·um

C5153850 (kăs-tôr′ē-əm) n. See castor1.
[Latin castor, beaver; see castor1 + -eum, neuter of -eus, denominal adjective suffix.]

castoreum

(kɑːˈstɔːrɪəm) nthe oil secreted from the beaver which is used as bait by trappers

cas•tor1

(ˈkæs tər, ˈkɑ stər)

n. 1. Also, castoreum. a pungent, brownish, oily substance secreted by glands in the groin of the beaver, used in medicine and perfumery. 2. a hat made of beaver or rabbit fur. 3. a beaver. [1350–1400; Middle English < Latin < Greek kástōr beaver]

cas•tor2

(ˈkæs tər, ˈkɑ stər)

n. caster (defs. 2–5).

Cas•tor

(ˈkæs tər, ˈkɑ stər)

n. a star of the second magnitude in the constellation Gemini.

castoreum

enUK

castoreum:

see beaverbeaver,
either of two large aquatic rodents, Castor fiber and Castor canadensis, known for their engineering feats. They were once widespread in N and central Eurasia except E Siberia, and in North America from the arctic tree line to the S United States.
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更新时间:2024/12/22 15:58:29