Synonyms
Antonyms

Rhymes with Operating System

2. operating

adjective. ['ˈɑːpɝˌeɪtɪŋ, ˈɔpɝˌeɪtɪŋ'] being in effect or operation.

5. system

noun. ['ˈsɪstəm'] (physical chemistry) a sample of matter in which substances in different phases are in equilibrium.

Antonyms