| BUTTONHOOKS | • buttonhooks n. Plural of buttonhook. • buttonhooks v. Third-person singular simple present indicative form of buttonhook. • BUTTONHOOK n. a hook for drawing small buttons through buttonholes. |
| CHRONOTRONS | • CHRONOTRON n. a device for measuring very small time intervals. |
| HOUNDSTOOTH | • houndstooth n. A two-colour fabric pattern of broken checks. • houndstooth n. Fabric with a houndstooth pattern; an item of clothing made with such fabric. |
| MATRONHOODS | • MATRONHOOD n. the state of being a matron. |
| MONOSTROPHE | • monostrophe n. A metrical composition having a single strophe. • MONOSTROPHE n. a poem in which all the stanzas or strophes are written in the same metre. |
| MONOTHECOUS | • monothecous adj. Monothecal. • MONOTHECOUS adj. having only one theca, also MONOTHECAL. |
| NATIONHOODS | • nationhoods n. Plural of nationhood. • NATIONHOOD n. the state of being a nation. |
| OCTOHEDRONS | • octohedrons n. Plural of octohedron. • OCTOHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTAHEDRON. |
| ORNITHOPODS | • ornithopods n. Plural of ornithopod. • ORNITHOPOD n. a member of a suborder of bipedal ornithischian (bird-hipped) dinosaurs. |
| ORTHOPNOEAS | • orthopnoeas n. Plural of orthopnoea. • ORTHOPNOEA n. the ability to breathe in an upright position only. |
| OUTSHOOTING | • outshooting v. Present participle of outshoot. • OUTSHOOT v. to surpass in shooting. |
| PHONOLOGIST | • phonologist n. (Linguistics) A person who specializes in phonology, the functional use of sounds in language. • PHONOLOGIST n. a student of phonology, the branch of linguistics that deals with systems of sounds. |
| PHOTOIONISE | • PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE. |
| PHOTONOVELS | • photonovels n. Plural of photonovel. • PHOTONOVEL n. a novel in the form of a series of photographs with speech balloons. |
| PHOTOPHONES | • photophones n. Plural of photophone. • PHOTOPHONE n. an apparatus for the production of sound by the action of rays of light. |
| PHOTOSENSOR | • photosensor n. A photodetector. • PHOTOSENSOR n. a detector that is sensitive to electromagnetic radiation. |
| SHOOTAROUND | • shootaround n. (Basketball) An informal practice session. • shoot␣around v. (Film, television) To record footage in the absence of (one of the actors), with the intention of editing… • SHOOTAROUND n. an informal basketball practice or warmup before a game, during which players take turns shooting baskets. |
| THORNPROOFS | • thornproofs n. (Dated) Thornproof trousers. • THORNPROOFS n. garments that resist penetration by thorns. |
| TROCHOTRONS | • TROCHOTRON n. a trochoidal magnetron, high-frequency counting tube which deflects a beam on to radially disposed electrodes. |