(mineralogy) Describing minerals containing tetravalent platinum

(historical) A state in India between 1953 and 1956, formed from Madras Presidency. It was later merged with Telangana and formed Andhra Pradesh.

plural of chetverik

(intransitive) To spin around; to gyrate, to whirl. / (transitive, rare) To make (something) spin or whirl around; to spin, to whirl.