aff. a suffix of nouns denoting esp. persons associated with a place, tribe, leader, doctrine, system, etc. (Campbellite; Israelite; laborite); minerals and fossils (ammonite; anthracite); explosives (cordite; dynamite); chemical compounds, esp. salts of acids whose names end in -ous (phosphite; sulfite); pharmaceutical and commercial products (vulcanite); a member or component of a part of the body (somite)•Etymology: ME < L -ita < Gk -itēs; in some words repr. F -ite, G -it, etc. II-iteaff. a suffix occurring orig. in loanwords form Latin, forming adjectives from nouns of Latin origin:ratite[/ex]•Etymology: < L -ītus orig. a ptp. suffix
From formal English to slang. 2014.