speculum
speculum
[ˈspɛkjʊləm]
(pl. specula -lə)
[ˈspɛkjʊləm]
(pl. specula -lə)
- (Medicine)a metal instrument that is used to dilate an orifice or canal in the body to allow inspection
(医)窥器，张开器 - (Ornithology)a bright patch of plumage on the wings of certain birds, especially a strip of metallic sheen on the secondary flight feathers of many ducks
(鸟)翼斑，翼镜 - a mirror or reflector of glass or metal, especially (formerly) a metallic mirror in a reflecting telescope
金属镜；反射镜
■short for speculum metal
speculum metal的简称
- late Middle English: from Latin, literally mirror', from specere 'to look'
热门查询
- polarisation n.偏振（现象）,极化（作用）,两极化,分化
- polariscope n.偏光器,旋光镜
- polarise vt.极化（等于polarize）
- polarity n.[物]极性,[生]反向性,对立,[数]配极
- polarizability n.极化性，极化率，极化度,可极化性
- polarizable adj.可极化的
- polarization n.产生极性,极化,（光）偏振,对立
- polarize vi.使极化,使偏振,使两极分化
- polarizer n.偏光器，起偏镜
- polarogram n.极谱图
- polarograph n.极谱记录仪
- polarography n.极谱法（学）
考试词汇表
