on account of preposition 2conjunction 1 preposition2 •Because of, due to, owing to.The rebuilding of damaged stations is proceeding slowly, on account of the shortage of building materials and the pressing needs of housing, but steady progress is being made. — 1951 •On behalf of the (monetary) account of; (idiomatic, originally figurative) for the sake of. conjunction1 •(informal) On account of the fact that: because, since.[…] I had a pretty good notion of the weather conditions generally, on account of I was out in them. — 1998
