1590s, "of or pertaining to teeth," from French dental "of teeth" or Medieval Latin dentalis, from Latin dens (genitive dentis) "tooth" (from PIE root *dent- "tooth"). As "connected with or used in dentistry," 1826. In grammar, "formed or pronounced at or near the front upper teeth, with the tip or front of the tongue," 1590s. As a noun, "sound formed by placing the end of the tongue against or near the upper teeth," 1794. Related: Dentally; dentality.
also asap, adverbial phrase pronounced either as a word (acronym) or as four letters (initialism), 1920, in a list of abbreviations recommended for secretaries in dental offices, from initial letters of phrase as soon as possible. The article (Walter E. Fancher, D.D.S., "The Practical Application of the Dental Hygienist in General Practice," in Oral Hygiene, March 1920) also has A.S.A.C. for as soon as convenient.
"person or machine which performs a process," 1909, agent noun in Latin form from process (v.). Data processor is from 1957; word processor is from 1973; food processor in the kitchen appliance sense also is from 1973.
1530s, "one who makes converts," agent noun from convert (v.). Meaning "appliance that changes materials from one shape or condition to another" is from 1867.
1520s, "delay, postponement, period of remaining in a place," from stay (v.1). Meaning "action of stoppage, appliance for stopping" is 1530s; that of "suspension of judicial proceedings" is from 1540s.
agent noun in various senses from juice (v.); from 1892 as the name of an appliance for extracting juice; from 1928 as "an electrician;" by 1967 as "an alcoholic."
"material appliances or arrangements conducive to personal comfort," 1670s, plural of convenience in the sense "that which gives ease or comfort; a convenient article or appliance."