noun, Medicine/Medical, Chemistry. 1. silver nitrate, AgNO 3 , especially in a sticklike mold, used to cauterize tissues. noun 1. silver nitrate fused into sticks, which were formerly used in cauterizing
noun 1. a division of time that is equal to the elapsed time between two consecutive returns of the same terrestrial meridian to the moon.
noun, Navigation. 1. the observed angle between the moon and another celestial body.
noun, (often initial capital letter) U.S. Aerospace. 1. . Abbreviation: LEM.