- The interval between two successive cell divisions during which the chromosomes are not individually distinguishable. Interphase is considered the resting stage of the cell.
Definition from: NCI Thesaurus via Unified Medical Language System at the National Library of Medicine
- The interval between the end of one mitotic or meiotic division and the beginning of another -- called also resting stage.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.