absorptiometer
absorptiometer [ANALY CHEM] 1. An instrument equipped with a filter system or other
simple dispersing system to measure the absorption of nearly monochromatic radia-
tion in the visible range by a gas or a liquid, and so determine the concentration
of the absorbing constituents in the gas or liquid. 2. A device for regulating the
thickness of a liquid in spectrophotometry. { əb so ˙ rp te ¯ a ¨ məd ər}