rosin, n. colophony.
rostrum, n. [platform], [stage], dais.
rosy, a. [rose-colored], roseate, [ruddy], [alluring].
rot, n. decomposition, [decay], putrescence, [corruption], putridity. Antonyms: preservation, imputrescence, incorruption, soundness.
rotary, a. [turning], rotating.
rotary motion. [rotation]. Associated words: trochilics, trochilic.
rotate, v. [revolve], [turn], gyrate, [whirl].
rotation, n. [turning], [revolution]; [succession].
rotten, a. [decayed], putrid, putrescent, carious, [corrupt], decomposed, putrefied; malodorous, [fetid].
rottenness, n. putrefaction. See rot. Associated words: antiseptic, imputrescible, septic, putrescible, aseptic.