An act of becoming visible; appearance; visibility. / The thing appearing; a visible object; a form.

(historical) A member of the Soviet apparat; a Communist bureaucrat or agent. / A blindly loyal bureaucrat.

(hypercorrect) plural of apparatus

simple past tense and past participle of apparel.

(chemistry) a piece of laboratory glassware used to generate demonstration amounts of hydrogen sulfide and other gases, by the controlled reaction of a liquid with a solid

(non-native speakers' English) Misspelling of apartment.

(cytology) A network of membranes in the cytoplasm of those animal cells that produce secretions.

plural of apparition

(historical) An officer who attended magistrates and judges to execute their orders. / A messenger or officer who serves the process of an ecclesiastical court.

plural of apparatus