belmontin, -ine,n.|ˈbɛlməntiːn| [f. the ‘Belmont Works’ at Vauxhall.] ‘A fatty substance prepared from Burmese naphtha.’ Watts Dict.Chem. I. 538. Also used attrib. 1870Eng.Mech. 11 Mar. 626/1 It requires no stronger light than that afforded by a..belmontine lamp.