alternate cover test
alternate cover test n.
A test for detecting phoria or strabismus in which one eye is covered for several seconds, and then the other eye is immediately covered while the person’s attention is directed to a small fixation picture.
- Alternate hemianesthesia
alternate hemianesthesia alternate hemianesthesia n. The loss of tactile sensibility on one side of the head as well as on the opposite side of the rest of the body. Also called crossed hemianesthesia.
- Alternate host
a host, other than the usual or primary host, on which a parasitic organism can sustain itself. Historical Examples In the case of oxen the alternate host of the parasite is a special tick (Smith and Kilborne). Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 4 Various alternate host One of two species of host on […]
- Alternate plumage
(of birds having more than one plumage in their cycle of molts) the plumage of the second molt, usually brighter than the basic plumage.
- Alternate straight
. a hand consisting of five cards following one another by two in order of denomination, as a five, seven, nine, jack, and king, being of special value in certain games.