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absorptiometer

[ab-sawrp-shee-om-i-ter, -zawrp-] /æbˌsɔrp ʃiˈɒm ɪ tər, -ˌzɔrp-/
noun
1.
a photoelectric instrument for measuring the concentration of a substance, as a transparent solution, by its absorption of monochromatic light.
Origin
1875-1880
1875-80; absorpti(on) + -o- + -meter
Related forms
absorptiometric
[ab-sawrp-shee-uh-me-trik, -zawrp-] /æbˌsɔrp ʃi əˈmɛ trɪk, -ˌzɔrp-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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