/ Dictionary / Index I incubation period: Meaning and Definition of Find definitions for: incuba'tion pe"riod Pronunciation: [key] — Pathol. Pathol. the period between infection and the appearance of signs of a disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. incubation patch incubator Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language