| DISFIGURERS | • disfigurers n. Plural of disfigurer. • DISFIGURER n. one who disfigures. |
| DISTRIBUTER | • distributer n. Alternative form of distributor. • DISTRIBUTER n. one who distributes, also DISTRIBUTOR. |
| DISTRIBUTOR | • distributor n. One who or that which distributes. • distributor n. A device that distributes electric current, especially to the spark plugs in an internal combustion engine. • distributor n. (Printing, historical) A machine for distributing type. |
| FOURDRINIER | • fourdrinier n. A machine for making continuous rolls of paper. • FOURDRINIER n. a continuous paper roll machine. |
| FRIGIDARIUM | • frigidarium n. (Historical, Ancient Rome) In Ancient Roman baths, a room with a bath of cold water. • FRIGIDARIUM n. (Latin) the room in Roman baths containing the final, cold, bath. |
| INTERRADIUS | • interradius n. Any interradial part, but especially the radius of a coelenterate halfway between two perradii. • INTERRADIUS n. a radius midway between primary radii or perradii. |
| IRREDUCIBLE | • irreducible adj. Not able to be reduced or lessened. • irreducible adj. Not able to be brought to a simpler or reduced form. • irreducible adj. (Mathematics, of a polynomial) Unable to be factorized into polynomials of lower degree, as (x2 + 1). |
| IRREDUCIBLY | • irreducibly adv. In an irreducible manner, or state. • IRREDUCIBLE adv. that cannot be reduced. |
| IRREDUCTION | • irreduction n. The Latourian concept that nothing is either reducible or irreducible to anything else. • IRREDUCTION n. being irreducible. |
| PERICARDIUM | • pericardium n. (Anatomy, cardiology) A serous membrane that surrounds the heart allowing it to contract. • PERICARDIUM n. a membranous sac containing the heart. |
| SURFRIDINGS | • SURFRIDING n. the sport of riding on surf. |
| UNDERFIRING | • underfiring n. Intentional operation of a boiler, furnace, oven, etc., at a low level. • underfiring n. The state of not burning fuel at the desired level, and thus not providing heat efficiently. • underfiring n. (Also attributively) Heating from below. |
| UNDERWIRING | • underwiring v. Present participle of underwire. • UNDERWIRING n. support with wire underneath. |
| UNIRRIGATED | • unirrigated adj. Not irrigated. • UNIRRIGATED adj. not irrigated. |
| UNTERRIFIED | • unterrified adj. Not terrified. • UNTERRIFIED adj. not terrified. |