[ əʊ'zəʊkərʌɪt , -sərʌɪt , ˌəʊzə(ʊ)'sɪərʌɪt ]
■ noun a brown or black paraffin wax occurring naturally in some shales and sandstones and formerly used in candles, polishes, and electrical insulation.
Origin
C19: from Ger. Ozokerit , from Gk ozein 'to smell' + kēros 'wax'.