A heterocyclic compound having an oxygen atom and two double bonds in a six-membered ring, C5H6O. There are two isomers depending on the position of the CH2 group.
Pyran
- German Democratic Republic
- German Economic and Monetary Union
- germanium
- germanium detector
- germanium(symbol: Ge)
- German mounting
- German Second empire (1871–1918)
- German shepherd
- German silver
- Germantown, Battle of (4 October 1777)
- Germany, Federal Republic of
- germ cell
- Germer, Lester Halbert
- germinal epithelium
- germination
- germ layers
- germ plasm
- Gernhardt, Michael Landon (1956– )
- Geronimo (1829–1909)
- gerrymandering
- Gershgorin’s Theorem
- Gersonides (1288–1344)
- Gerson, Jean (1363–1429)
- Gestalt
- Gestalt theory