chlor- combining form variants: or chloro- Trending Now: More Trending: symbiote charlatan lowlife kakistocracy slimeball SEE ALL See What's Trending Now See More Trending Words What's Trending Now More Trending Words symbiote 'an organism living in symbiosis' charlatan 'faker or fraud' lowlife 'a person of low moral character' kakistocracy 'government by the worst people' slimeball 'a morally repulsive or odious person' SEE ALL Time Traveler! Explore the year a word first appeared Definition of chlor- 1 : green chlorine chlorosis 2 : chlorine : containing chlorine chloroprene Origin and Etymology of chlor- New Latin, from Greek, from chlōros greenish yellow — more at yellow Seen and Heard What made you want to look up chlor-? Please tell us where you read or heard it (including the quote, if possible). show hide