PYRIDINE Meaning of PYRIDINE in English [ 'pɪrɪdi:n ]■ noun Chemistry a colourless volatile heterocyclic liquid with an unpleasant odour, used as a solvent.OriginC19: from Gk pur 'fire' + -ide + -ine 4 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004