A star
a blue to white star, as altair, sirius, or vega, having a surface temperature between 7500 and 10,000 k and an absorption spectrum dominated by balmer-series lines of hydrogen.
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- A-strabismus
a-strabismus a-strabismus n. strabismus in which esotropia is more marked in looking upward than downward. strabismus in which exotropia is more marked on looking downward than upward.
- A supply
a battery or other source of power for heating the filament or cathode heater of an electron tube.
- A-v
. . also, a.v. ad valorem. . artillery volunteers. . authorized version (of the bible). historical examples and me off in the china sea amongst the boxers, a-v’yaging hither and thither to pick up a cargo o’ boxes to box comp-sses with! the old tobacco shop william bowen abbreviation audiovisual abbreviation ad valorem abbreviation of […]
- A-v extrasystole
a-v extrasystole a-v extrasystole n. see atrioventricular extrasystole.
- A-v nodal extrasystole
a-v nodal extrasystole a-v nodal extrasystole n. see atrioventricular nodal extrasystole.