conden's er

An apparatus for effecting condensation of vapor, light, etc.; of Volta, an electrical accumulator. Abbe's c. See under Abbe, achromatic c. A c. in which the lens used has been rendered achromatic, that is, free from chromatic aberration, bull's-eye c. A planoconvex or a biconvex lens, which acts by concentrating the light in illuminating an opaque object under examination, electrical c. An instrument for the accumulation or storing of electricity by its conduction from a non-insulated surface to an insulated one, as in the Ley den jar. Liieberkiihn's c. See under Lieberkiihn. Liebig's c. See under Liebig. [Lat., con dens are, to thicken.]