absorpˈtance noun (physics)

The ratio of the radiant flux absorbed by a body to that incident on it (formerly absorptivˈity)

absorptiometer /-sörp-shi-omˈi-tər/ noun

An apparatus for determining the solubility of gases in liquids

absorptiometˈric adjective

absorptiomˈetry noun

absorpˈtion noun

1. The act of absorbing
2. The entire occupation of the mind

absorpˈtive adjective

Capable of absorbing

absorpˈtiveness or absorptivˈity noun

absorbent cotton noun (N American)

Cotton wool

absorption bands or absorption lines plural noun

Dark bands or lines interrupting a spectrum, due to absorption of light in the medium traversed

absorption coefficient noun (physics)

1. The fraction of energy absorbed at a surface
2. (in a medium) the natural logarithm of the ratio of incident and emergent energy

absorption costing noun

Product costing that takes account of overheads

absorption spectrum noun

A system of absorption lines and bands