| BROTHERHOOD | • brotherhood n. The state of being brothers or a brother (also figuratively). • brotherhood n. An association or people for any purpose, such as a society of monks; a fraternity. • brotherhood n. All the people engaged in the same business, especially those of the same profession. |
| CHRONOTRONS | • CHRONOTRON n. a device for measuring very small time intervals. |
| DROOLWORTHY | • droolworthy adj. (Slang) Highly physically attractive or otherwise desirable. • DROOLWORTHY adj. inspiring or likely to inspire excessive enthusiasm or pleasure; extremely attractive or desirable. |
| GRAPHOMOTOR | • graphomotor adj. Relating to the visual and motor skills involved in writing. • GRAPHOMOTOR adj. pertaining to the muscular movements in writing. |
| MORPHOTROPY | • MORPHOTROPY n. the effect on crystalline form of the addition or substitution of an element or radical. |
| MOTHPROOFER | • mothproofer n. Any substance used to make things mothproof. • MOTHPROOFER n. a substance that keeps away moths. |
| ORTHOBORATE | • orthoborate n. (Inorganic chemistry) Any anion derived from orthoboric acid; any salt containing this anion. • ORTHOBORATE n. a salt of orthoboric acid. |
| ORTHODROMIC | • orthodromic adj. Of or relating to a means of navigation by following an arc of the great circle corresponding to the… • orthodromic adj. (Of neurons) Passing along neurological impulses in a normal (expected) direction. • ORTHODROMIC adj. having great circles represented as straight lines. |
| ORTHONORMAL | • orthonormal adj. (Mathematics) Of a set of vectors, both orthogonal and normalized. • orthonormal adj. (Mathematics) Of a linear transformation that preserves both angles and lengths. • ORTHONORMAL adj. orthogonal with the integral of the square of each function over a specified interval equal to one. |
| ORTHOPTERON | • orthopteron n. Alternative form of orthopteran. • ORTHOPTERON n. any member of the Orthoptera, an order of mandibulate insects, also ORTHOPTERAN. |
| ORTHOTROPIC | • orthotropic adj. (Botany) Growing vertically, either upwards or downwards. • orthotropic adj. (Engineering) Having material properties that differ along three mutually orthogonal twofold axes of… • ORTHOTROPIC adj. growing along a vertical axis. |
| PROTOTROPHS | • prototrophs n. Plural of prototroph. • PROTOTROPH n. a bacterium feeding only on inorganic matter. |
| PROTOTROPHY | • prototrophy n. The condition of being a prototroph. • PROTOTROPHY n. the state of being prototrophic. |
| THERMOMOTOR | • THERMOMOTOR n. an engine that produces force from the expansion of a heated fluid. |
| THORNPROOFS | • thornproofs n. (Dated) Thornproof trousers. • THORNPROOFS n. garments that resist penetration by thorns. |
| TRAITORHOOD | • traitorhood n. The quality of being a traitor. • TRAITORHOOD n. the state of being a traitor. |
| TROCHOPHORE | • trochophore n. (Biology) The free-swimming larva of some invertebrates that have a circlet of cilia. • TROCHOPHORE n. a free-swimming pelagic form of many invertebrates, also TROCHOSPHERE. |
| TROCHOTRONS | • TROCHOTRON n. a trochoidal magnetron, high-frequency counting tube which deflects a beam on to radially disposed electrodes. |