请输入您要查询的英文单词：

　

单词 annulus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
an•nu•lus  (an′yə ləs),USA pronunciation n., pl. -li (-lī′),USA pronunciation -lus•es. 
  1. a ring;
    a ringlike part, band, or space.
  2. [Geom.]the space between two concentric circles on a plane.
  3. Fungithe veil remnant on a mushroom stalk. See illus. under mushroom. 
  4. Biologya growth ring, as on the cross section of a tree trunk, that can be used to estimate age.
  • Latin, variant of ānulus, equivalent. to ān(us) ring + -ulus -ule
  • 1555–65

Collins Concise English Dictionary © HarperCollins Publishers::
annulus /ˈænjʊləs/ n ( pl -li / -ˌlaɪ/, -luses)
  1. the area between two concentric circles
  2. a ring-shaped part, figure, or space
Etymology: 16th Century: from Latin, variant of ānulus ring
随便看

　

英语词典包含188688条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2025/2/23 4:40:11