"one who fulls cloth," Old English fullere "fuller" (Mark ix.3), from Latin fullo "fuller" (see foil (v.)). The native word is walker. Fuller's earth (silicate of alumina) is recorded by 1520s; so called because it was used in cleansing cloth.
masc. proper name, Middle English Rycharde, from Old French Richard, from Old High German Ricohard "strong in rule," from Proto-Germanic *rik- "ruler" (see rich) + *harthu "hard," from PIE *kar-o- (from PIE root *kar- "hard"). "One of the most popular names introduced by the Normans. Usually Latinized as Ricardus, the common form was Ricard, whence the pet form Rick, etc." ["Dictionary of English Surnames"]
1530s, agent noun from intrude. Originally legal. Fuller ("Pisgah-Sight of Palestine," 1650) has fem. form intrudress.
1670s, "officer in command of a brigade," from French brigadier, from brigade "body of soldiers" (see brigade). Brigadier-general is the fuller form of the title.
1958, coined by U.S. microbiologist Richard B. Roberts (1910-1980) from ribo(nucleic acid) + -some "body" (see somato-). Related: Ribosomal.
initialism (acronym) for Environmental Protection Agency, U.S. federal agency proposed by President Richard Nixon and created in December 1970.