Optics. a combination of two or three lenses having a large aperture and used as a condenser for a compound microscope.
Origin of Abbe condenser
named after Ernst Abbe (1840–1905), German physicist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a microscope condenser invented by Ernst Abbe (1840-1905), German physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012