CHERNOZEM Meaning of CHERNOZEM in English [ 'tʃə:nəzɛm ]■ noun a fertile black soil rich in humus, typical of temperate grassland.OriginC19: from Russ., from chërnyĭ 'black' + zemlya 'earth'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004