absorptiometer
UK /əbˌzɔːp.ʃɪˈɒ.mɪ.ɚ/ US /æbˌsɔɹp.ʃiˈɑm.ə.dɚ/
noun 2
Definitions
noun
1
An instrument that computes the absorption rate by measuring the pressure of the gas; a colorimeter for liquids.
2
An instrument used to measure the amount of radiation or light absorbed.
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