See Also: speculum(dictionary)
Speculum(health)
eye speculum(medicine)
Speculum(medicine)
bivalve speculum(medicine)
duckbill speculum(medicine)
Pedersen's speculum(medicine)
speculum forceps(medicine)
stop-speculum(medicine)
Cooke's speculum(medicine)

speculum (iou)



speculum noun. , -lums. LME.
[Latin, from base of specere look, see: see -ULE.]
Medicine. An instrument, usu. of metal, used to dilate an orifice or canal in the body to allow inspection. LME.
Chiefly Science. A mirror or reflector of glass or metal; spec. a metallic mirror forming part of a reflecting telescope. M17.
Ornithology. A bright patch of plumage on the wings of certain birds, esp. the strip of metallic sheen on the secondary flight-feathers of many ducks. E19.
An alloy of copper and tin in a ratio of around 2:1, formerly used to make mirrors for scientific instruments. Also more fully speculum metal. E20.