ADJ. chemical Scientists have produced a new chemical compound. | inorganic, organic | synthetic | molecular, simple Dalton believed that the simplest compound of two elements must have one atom of each. | active, dangerous, potent, toxic, volatile | carbon, iron, etc.
VERB + COMPOUND form, produce At the right temperature, the chemicals will form a compound.
COMPOUND + VERB contain sth | be derived from sth, derive from sth, be found in sth, occur compounds derived from rainforest plants
PREP. ~ of a compound of oxygen and hydrogen
2 area of land and buildings
ADJ. palace, prison, military | walled, secure Police are investigating a raid on a secure compound.
PREP. in/inside a/the ~ life inside the prison compound