any of several instruments for rapidly determining distances, directions, and differences of elevation.
another name for tacheometer
noun, Physics. 1. a hypothetical particle that travels faster than the speed of light. noun 1. (physics) a hypothetical elementary particle capable of travelling faster than the velocity of light tachyon (tāk’ē-ŏn’) A hypothetical subatomic particle that travels faster than the speed of light. Although the principles of relativity forbid the acceleration of a particle […]
tachyphagia tach·y·pha·gia (tāk’ə-fā’jə, -jē-ə) n. Rapid eating; bolting of food.
[tak-uh-fi-lak-sis] /ˌtæk ə fɪˈlæk sɪs/ noun 1. Medicine/Medical. immediate, temporary immunization against the effects of injection of a toxic extract owing to previous small injections of the same extract. 2. a decreased response to a medicine given over a period of time so that larger doses are required to produce the same response. tachyphylaxis /ˌtækɪfɪˈlæksɪs/ […]
noun, Medicine/Medical. 1. excessively rapid respiration. tachypnea tach·yp·ne·a (tāk’ĭp-nē’ə, tāk’ĭ-nē’ə) n. Rapid breathing. Also called polypnea.