plural of Abbe condenser

A condenser composed of two lenses which concentrates and controls the light which passes through an examined specimen before that light enters the objective of a microscope, used to obtain high levels of magnification.

(physics) An instrument used to measure the refractive index of a liquid, by utilizing the critical angle for total reflection.

plural of Abbe number

A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.

plural of Abbe-Zeiss apparatus

(medicine) A device for counting blood cells.

A female superior or governess of a nunnery, or convent of nuns, having the same authority over the nuns which the abbots have over the monks.

(rare, obsolete, euphemistic) A bawd, the mistress of a brothel.

plural of abbess