| IRRADIATORS | • irradiators n. Plural of irradiator. • IRRADIATOR n. something or someone that irradiates. |
| MORTARBOARD | • mortarboard n. A square board, with a handle, on which mortar or plaster is carried: a hawk. • mortarboard n. An academic cap that has a flat square top with a tassel. • MORTARBOARD n. a square-topped college cap. |
| OVERSTIRRED | • overstirred v. Simple past tense and past participle of overstir. • OVERSTIR v. to stir too much. |
| PROTERANDRY | • proterandry n. (Botany) The condition of being proterandrous. • PROTERANDRY n. in a hermaphrodite organism, the maturation and loss of the male elements before the female elements develop. |
| RADIOTRACER | • radiotracer n. (Sciences) A radioactive tracer; a radiolabel. • RADIOTRACER n. a radioactive tracer. |
| REDECORATOR | • redecorator n. One who redecorates. • REDECORATOR n. one who redecorates. |
| REREDORTERS | • reredorters n. Plural of reredorter. • rere-dorters n. Plural of rere-dorter. • REREDORTER n. (historical) a lavatory built behind a monastic dormitory. |
| RETARDATORY | • retardatory adj. Retardant; delaying. • RETARDATORY adj. tending to retard. |
| RETROGRADED | • retrograded v. Simple past tense and past participle of retrograde. • RETROGRADE v. to cause to go back. |
| RETROGRADES | • retrogrades n. Plural of retrograde. • RETROGRADE v. to cause to go back. |
| RETROVERTED | • retroverted adj. Turned or tilted back. • retroverted v. Simple past tense and past participle of retrovert. • RETROVERT v. to turn back. |
| RUTHERFORDS | • rutherfords n. Plural of rutherford. • RUTHERFORD n. a unit of radioactive decay equal to 1 million disintegrations per second. |
| TERRAFORMED | • terraformed v. Simple past tense and past participle of terraform. • TERRAFORM v. to make (another planet) earthlike. |
| TERRITORIED | • territoried adj. Possessed of territory. • TERRITORIED adj. having territory. |
| TRANSBORDER | • transborder adj. Beyond the border, on the other side of the border. |
| TRICORNERED | • tricornered adj. That has three corners. • TRICORNERED adj. having three corners. |
| UNDERREPORT | • underreport v. To report a number falsely, making it smaller than it ought to be, especially to do so intentionally. • underreport v. As a group, to report something less frequently than it actually occurs. • UNDERREPORT v. to report inadequately. |