| BEATBOXER | • beatboxer n. (Music) A performer who imitates the sound of musical instruments, especially percussion, with his or her voice. • BEATBOXER n. one who practises beatboxing, using a drum machine. |
| BISECTRIX | • bisectrix n. The line bisecting the angle between the optic axes of a biaxial crystal. • BISECTRIX n. the bisector of the angle between the optic axes of a crystal. |
| BOSTRYXES | • bostryxes n. Plural of bostryx. • BOSTRYX n. (Greek) a type of inflorescence, a way in which flower stems are arranged. |
| BOXTHORNS | • boxthorns n. Plural of boxthorn. • BOXTHORN n. a thorny shrub with red berries. |
| EXHIBITER | • exhibiter n. One who exhibits; one who presents a petition, charge, or bill. • EXHIBITER n. one who exhibits, also EXHIBITOR. |
| EXHIBITOR | • exhibitor n. Someone who exhibits something. • exhibitor n. Someone who organizes an exhibition. (Can we add an example for this sense?) • EXHIBITOR n. one who exhibits, also EXHIBITER. |
| EXTRABOLD | • extrabold adj. (Typography) Very bold. • EXTRABOLD n. a very bold typeface. |
| EXUBERANT | • exuberant adj. (Of people) Very high-spirited; extremely energetic and enthusiastic. • exuberant adj. (Literary, of things that grow) Abundant, luxuriant. • EXUBERANT adj. luxuriant, overflowing. |
| EXUBERATE | • exuberate v. (Obsolete) To abound; to be in great abundance. • exuberate v. (Now rare) To develop into (something), by an exuberance of growth. • exuberate v. To delight, to make exuberant. |
| LETTERBOX | • letterbox n. (Chiefly UK) A box into which mail is put. • letterbox n. A hidden container that holds a logbook and rubber stamp, found by following clues as a form of recreation. • letterbox n. (Mountaineering) A rectangular hole or slot. |
| RATTLEBOX | • rattlebox n. A toy that makes a rattle sound; a rattle. • rattlebox n. An American herb (Crotalaria sagittalis), whose ripe seeds rattle in the inflated pod. • rattlebox n. Any species of Crotalaria, a genus of yellow-flowered herbs, with inflated, many-seeded pods. |
| REEXHIBIT | • reexhibit v. (Transitive) To exhibit again. • REEXHIBIT v. to exhibit again. |
| RITUXIMAB | • rituximab n. (Pharmacology) A chimeric monoclonal antibody (trademark Rituxan) administered by intravenous injection… • RITUXIMAB n. a drug used in the treatment of B cell non-Hodgkin's lymphoma. |
| STRONGBOX | • strongbox n. A sturdy box with a lock for storing valuables. • STRONGBOX n. a box for holding valuables. |
| SUBCORTEX | • subcortex n. The part of the brain that lies directly below the cortex. • SUBCORTEX n. a part of the cortex. |
| SUBMATRIX | • submatrix n. (Mathematics) A matrix formed by selecting certain rows and columns from a larger matrix. • SUBMATRIX n. part of a matrix. |
| TINDERBOX | • tinderbox n. (Historical) A small container containing flint, steel, and tinder (dry, finely-divided fibrous matter)… • tinderbox n. (By extension) A place that is so dry and hot that there is danger of fire. • tinderbox n. (Figurative) A potentially dangerous situation. |
| TUCKERBOX | • tuckerbox n. (Australia) lunchbox. • tucker-box n. Alternative form of tuckerbox. • tucker␣box n. Alternative form of tuckerbox. |