Definición de speculum en inglés:
sustantivo (plural specula /-lə/)
1 Medicine A metal or plastic instrument that is used to dilate an orifice or canal in the body to allow inspection.
- An instrument called a speculum, the same as used for a smear test, is sometimes used.
- Your eyelids will be opened up using a small instrument called a speculum.
- With the headlight and speculum the external auditory canal is inspected and cleared of any obstructing wax or debris.
2 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.
- The latter is important because dabbling ducks have a coloured area in the wing called the speculum.
- Both sexes have orange feet and a blue speculum, or wing-patch, bordered in white on two sides, best seen in flight.
- Both sexes have a black and white wing-patch, or speculum, that is distinctive in flight.
3A mirror or reflector of glass or metal, especially (formerly) a metallic mirror in a reflecting telescope.
- This work of light allows us to see the shapes of the world reflected on the optical speculum.
- A headlamp or head mirror and a nasal speculum should be used for optimal visualization.
- If light ‘sees,’ then the speculum which reflects this seeing light can analogically participate in the solar vision that it reflects; it can derive from it its own vision.
late Middle English: from Latin, literally 'mirror', from specere 'to look'.
Definición de speculum en:
- Inglés británico e internacional dictionary
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