- gemA precious stone, usually of substantial monetary value or prized for its beauty or shine.
- gemmaAn asexual reproductive structure, as found in animals such as hydra (genus Hydra) and plants such as liverworts (division Marchantiophyta), consisting of a cluster of cells from which new individuals can develop; a bud.
- gemmaceousRelating to, or containing, gemmae.
- gemmiferousProducing gemmae or buds.
- gemmificationThe production of a bud or gem.
- gemmologyThe branch of mineralogy that studies mineral gems and petrified gemstones.
- gemmotherapyThe use of remedies made from the embryonic tissue of various trees and shrubs, or other meristematic parts