Barium x-ray
GI series.
gastrointestinal series: x-ray examination of the upper or lower gastrointestinal tract after barium sulfate is given rectally (barium enema) or orally as a contrast medium.
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- Barium yellow
See under barium chromate. a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- Bark
the abrupt, harsh, explosive cry of a dog. a similar sound made by another animal, as a fox. a short, explosive sound, as of firearms: the bark of a revolver. a brusque order, reply, etc.: The foreman’s bark sent the idlers back to their machines. a cough. (of a dog or other animal) to utter […]
- Bark at the moon
the abrupt, harsh, explosive cry of a dog. a similar sound made by another animal, as a fox. a short, explosive sound, as of firearms: the bark of a revolver. a brusque order, reply, etc.: The foreman’s bark sent the idlers back to their machines. a cough. (of a dog or other animal) to utter […]
- Bark beetle
any of numerous small, cylindrical beetles of the family Scolytidae that nest under the bark of hardwood trees, leaving intricate tracings on the wood. Historical Examples In the winter of 1953-54 before much mortality had occurred, the bark beetle infestations had become conspicuous. The Forest Habitat of the University of Kansas Natural History Reservation Henry […]
- Bark cloth
any cloth, as tapa, made by soaking and pounding the inner bark of certain trees. fabric woven to resemble such cloth, used for upholstery, bedcovers, etc. Historical Examples She had a quiet modest demeanour, though her dress was but a narrow fork clout of bark cloth. In Darkest Africa, Vol. 1; or, The quest, rescue […]