micrograph
Pronunciation: mī′krō-graf
Definition: An instrument that magnifies the microscopic movements of a diaphragm by means of light interference and records them on a moving photographic film; may be used for recording various pulse curves, sound waves, and any forms of motion that may be communicated through the air to a diaphragm.
Synonym(s): photomicrograph
[micro- + G. graphō, to write]
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Examples: glitazone, GI cocktail, etc.

