| ABSOLUTEST | • absolutest adj. (Rare) superlative form of absolute: most absolute. • ABSOLUTE adj. unconditional, fundamental. |
| ABSOLUTISE | • absolutise v. Non-Oxford British spelling standard spelling of absolutize. • ABSOLUTISE v. to make absolute, also ABSOLUTIZE. |
| ABSTRUSELY | • abstrusely adv. In an abstruse manner. • ABSTRUSE adv. difficult to understand. |
| BASKETFULS | • basketfuls n. Plural of basketful. • BASKETFUL n. the contents of a basket. |
| BASKETSFUL | • basketsful n. Plural of basketful. • BASKETFUL n. the contents of a basket. |
| BISULFATES | • bisulfates n. Plural of bisulfate. • BISULFATE n. an acid sulphate, also BISULPHATE. |
| BRUTALISES | • brutalises v. (Britain) third-person singular simple present indicative form of brutalise. • BRUTALISE v. to make brutal, also BRUTALIZE. |
| FLASHTUBES | • flashtubes n. Plural of flashtube. • FLASHTUBE n. a gas discharge tube that produces very brief intense flashes of light and is used esp. in photography. |
| PULSEBEATS | • pulsebeats n. Plural of pulsebeat. • PULSEBEAT n. the pulse. |
| SALTBUSHES | • saltbushes n. Plural of saltbush. • SALTBUSH n. an Australian plant of the goosefoot family. |
| SUBALTERNS | • subalterns n. Plural of subaltern. • SUBALTERN n. a person holding a subordinate position; specifically, a junior officer (as in the British army). |
| SUBLIMATES | • sublimates v. Third-person singular simple present indicative form of sublimate. • sublimates n. Plural of sublimate. • SUBLIMATE v. to cause to pass directly from the solid to the vapor state and condense back to solid form. |
| SUBLUXATES | • subluxates v. Third-person singular simple present indicative form of subluxate. • SUBLUXATE v. to partially dislocate. |
| SUBSTELLAR | • substellar adj. (Astronomy, of an object) Having a mass less than the minimum necessary mass for hydrogen fusion. • SUBSTELLAR adj. directly under a star. |
| SUBSTERNAL | • substernal adj. (Anatomy) under the sternum. • SUBSTERNAL adj. positioned below the breastbone. |
| UNSTABLEST | • unstablest adj. Superlative form of unstable: most unstable. • UNSTABLE adj. not stable, also INSTABLE. |