Used other than figuratively or idiomatically: see chemical, imbalance. / (euphemistic) Mental illness.

plural of imaginary unit

(medicine) An impending miscarriage indicated by bleeding and pain along with an effaced cervix.

plural of imminent abortion

The transformation of multiple images onto a common coordinate system

Any of various reflections of objects within the structure of the eye.

plural of imaginary axis

A negative perception, usually of a person or group of people, used either consciously or unconsciously to justify or promote discrimination, punishment, and/or violence.

A microscopic objective of short focal distance designed to work with a drop of liquid between the front lens and the slide, so that this lens is practically immersed.

(now chiefly historical) The use of visual or plastic representations of people, spirits etc., for magical purposes.