About The Word Speculum

Bay Area Crosswords

Learn about the word Speculum to help solve your crossword puzzle. Discover Speculum definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.

Speculum

Speculum Meaning & Definition
Speculum Definition And Meaning

What's The Definition Of Speculum?

[n] a medical instrument for dilating a bodily passage or cavity in order to examine the interior
[n] a mirror (especially one made of polished metal) for use in an optical instrument

Synonyms | Synonyms for Speculum:

Related Terms | Find terms related to Speculum:

See Also | medical instrument | mirror

Speculum In Webster's Dictionary

\Spec"u*lum\, n.; pl. L. {Specula}, E. {Speculum}. [L., fr. specere to look, behold. See {Spy}.] 1. A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. 2. A reflector of polished metal, especially one used in reflecting telescopes. See {Speculum metal}, below. 3. (Surg.) An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations. 4. (Zo["o]l.) A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. {Speculum metal}, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.

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