| ATTRIBUTOR | • attributor n. One who attributes; an imputer. • ATTRIBUTOR n. one who attributes, also ATTRIBUTER. |
| BLUETHROAT | • bluethroat n. A small Old World passerine bird, Luscinia svecica, the male in spring having a bright blue throat. • BLUETHROAT n. a singing bird of northern Europe and Asia, related to the nightingales. |
| OBITUARIST | • obituarist n. One who writes obituaries. • OBITUARIST n. one who writes obituaries. |
| OBTRUNCATE | • obtruncate v. To deprive of a limb; to lop. • OBTRUNCATE v. to cut or lop off the head of. |
| OBTURATING | • obturating v. Present participle of obturate. • OBTURATE v. to stop up. |
| OBTURATION | • obturation n. The act of stopping up, or closing, an opening. • obturation n. (Firearms) The process of a bullet expanding under pressure to fit the bore of the firearm, or a cartridge… • OBTURATION n. an obstruction. |
| OBTURATORS | • obturators n. Plural of obturator. • OBTURATOR n. a structure or device that closes a cavity. |
| OUTBREATHE | • outbreathe v. (Transitive) To exhaust or deprive of breath. • outbreathe v. (Transitive) To breathe out; expire. • outbreathe v. (Intransitive) To issue as a breath; exhale. |
| ROUSTABOUT | • roustabout n. (Chiefly US) an unskilled laborer, especially at an oilfield, at a circus or on a ship, 19th c. • ROUSTABOUT n. a casual or unskilled laborer, esp. on an oil rig, also ROUSEABOUT. |
| RUBYTHROAT | • rubythroat n. Any of several species of birds, the males having a brilliant patch of metallic red on the throat. • RUBYTHROAT n. any of numerous species of humming birds, in which the male has on the throat a brilliant patch of red feathers having metallic reflections. |
| STIRABOUTS | • stirabouts n. Plural of stirabout. • STIRABOUT n. (Anglo-Irish) porridge; a bustle, commotion. |
| SUBTRACTOR | • subtractor n. Alternative spelling of subtracter. • SUBTRACTOR n. one who subtracts, also SUBTRACTER. |
| TABULATORS | • tabulators n. Plural of tabulator. • TABULATOR n. one who tabulates. |
| TABULATORY | • tabulatory adj. Involving or relating to tabulation. • TABULATORY adj. relating to tabulation. |
| THEREABOUT | • thereabout adv. About or near that place. • thereabout adv. About or around that date or time. • thereabout adv. About or near to that condition or quality. |
| TUBULATORS | • TUBULATOR n. one who tubulates. |
| TURBOSHAFT | • turboshaft n. A gas-turbine engine designed to transmit power by means of a geared shaft, used in helicopters and… • TURBOSHAFT n. a kind of gas turbine engine. |
| TURBULATOR | • turbulator n. A device that turns a laminar flow into a turbulent flow. • TURBULATOR n. a device which creates turbulence. |
| TURNABOUTS | • turnabouts n. Plural of turnabout. • turn-abouts n. Plural of turn-about. • turn␣abouts n. Plural of turn about. |