NITRO- Meaning of NITRO- in English [ 'nʌɪtrəʊ ]■ combining form1》 of or containing nitric acid, nitrates, or nitrogen: nitrogenous.2》 Chemistry containing the group ‒NO 2 : nitrobenzene. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004