1 : a whole formed by a union of two or more elements or parts
2 : (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
adjectif satellite
1 : consisting of two or more substances or ingredients or elements or parts; "soap is a compound substance"; "housetop is a compound word"; "a blackberry is a compound fruit"
2 : composed of many distinct individuals united to form a whole or colony; "coral is a colonial organism"