əbˌsȯrpshēˈäməd.ər, (ˌ)ab-, -ˌzȯ-, -ptē- noun
Etymology: absorptio n + -meter
1. : an instrument for measuring the reduction of pressure in a gas as it is absorbed by a liquid to determine the absorption rate
2. : a colorimeter for transparent fluids usually employing photoelectric means of comparison
• ab·sorp·ti·o·met·ric ̷ ̷| ̷ ̷ ̷ ̷ō|me.trik adjective