(physics) a technique that uses field emission of electrons or positive ions from the needle-shaped tip of an emitter to produce a magnified image of the emitter surface (showing each atom) on a fluorescent screen

(physics) The emission of electrons from a metal or semiconductor, under the influence of a strong electric field, by quantum tunnelling.

(anthropology, ethnography) Someone who, though unrelated by birth or marriage, has such a close emotional relationship with another that they may be considered part of the family.

Having the characteristics of fiction: fictional. / Resulting from imaginative creation: fanciful or invented. / Being feigned, ingenuine or unreal.

(Internet slang) In claimed cases of dissociative identity disorder: an introject based on a character from a fictional work.

(pathology) A benign tumour of the uterus that is composed of either fibrous connective tissue or muscle. / (pathology) A fibroma.

(physics) the field produced by the gravitational force of mass

A work of fiction that attempts to explain the causes of a real event.

(agriculture) A flooded field where rice is grown.

(chiefly US) A group of athletic sports, consisting mainly of various kinds of running, jumping and throwing, that take place on a track and the enclosed field.