Words related to -ate
"cause to mix with carbonic acid or other gas," 1794 (implied in aerated), from aer/aër (used in old science for specific kinds of air, a sense later given to gas (n.1)), from Latin aer (see air (n.1)) + verbal suffix -ate (2). The meaning "expose to air" is from 1799, probably a back-formation from aeration. Related: Aerating.
in zoology, "having pincer-like claws," 1826 as a term in zoology; 1920 in chemistry, from Modern Latin chela "claw" of a crab or lobster (from Greek khēlē "claw, talon, pincers, cloven hoof," a word of uncertain origin) + -ate (2). In chemistry from 1920. Related: Chelated; chelating; chelation.