speculum

n. 金属镜, 反射镜, 扩张器 [医] 窥器, 张开器; 透明隔; 翼斑, 翼镜(鸟)

发音

UK /ˈspɛk.jʊ.ləm/
其它
US /ˈspɛk.jə.ləm/
UK /ˈspɛk.jə.ləm/

词形变化

specula 复数 specula speculums speculums 复数

释义与例句

n.
  1. 1.

    A medical instrument used during an examination to dilate an orifice.

    医学
  2. 2.

    A mirror, especially one used in a telescope.

  3. 3.

    A bright, lustrous patch of colour found on the wings of ducks and some other birds, usually situated on the distal portions of the secondary quills, and much more brilliant in the adult male than in the female.

    生物 动物学
  4. 4.

    A lookout place.

词汇关系

名词

上位词 1

mirror

相关短语

speculum metal speculum literature Speculum literature

词源

Learned borrowing from Latin speculum.

来源：wiktionary