| ACEPHALOUS | • acephalous adj. Having no head. • acephalous adj. (Zoology, applied to bivalve mollusks) Without a distinct head. • acephalous adj. (Botany) Having the style spring from the base, instead of from the apex, as is the case in certain ovaries. |
| BISULPHATE | • bisulphate n. (Inorganic chemistry) Alternative spelling of bisulfate. • BISULPHATE n. a salt containing double the proportion of the acid radical present in a sulphate, also BISULFATE. |
| DISULPHATE | • disulphate n. (Chemistry) A salt or ester of disulphuric acid or pyrosulphuric acid; a pyrosulphate. • disulphate n. (Chemistry) An acid salt of sulphuric acid, having only one equivalent of base to two of the acid. • DISULPHATE n. a pyrosulphate. |
| GALUMPHERS | • galumphers n. Plural of galumpher. • GALUMPHER n. one who galumphs, moves with a clumsy heavy tread. |
| HELIOPAUSE | • heliopause n. (Astronomy) The boundary of heliosphere where the Sun’s solar wind is stopped by the interstellar medium. • HELIOPAUSE n. the upper limit of the earth's atmosphere. |
| HOURPLATES | • hourplates n. Plural of hourplate. • HOURPLATE n. a timepiece dial. |
| HOUSEPLANT | • houseplant n. A plant that is grown indoors in places such as a house or office for decorative purposes. • houseplant n. A variety of plant that is especially suited to such cultivation, or that is frequently grown in such settings. • house␣plant n. Alternative spelling of houseplant. |
| MULTIPHASE | • multiphase adj. That generates, or employs, multiple alternating current supplies with the same voltage but different phase angles. • MULTIPHASE adj. having many phases. |
| PALMHOUSES | • palmhouses n. Plural of palmhouse. • PALMHOUSE n. a glasshouse for palms and other plants. |
| PLAYHOUSES | • playhouses n. Plural of playhouse. • play␣houses n. Plural of play house. • PLAYHOUSE n. a child's miniature house for playing in. |
| PUNISHABLE | • punishable adj. Subject to punishment; appropriate for punishment. • PUNISHABLE adj. worthy of punishment. |
| SEPULCHRAL | • sepulchral adj. Relating to a grave or to death; funereal. • sepulchral adj. Suggestive of a grave or of death; gloomy; solemn. • sepulchral adj. Having a hollow and deep sound. |
| SPATHULATE | • spathulate adj. Alternative spelling of spatulate. • SPATHULATE adj. spoon-shaped. |
| SPLEUCHANS | • spleuchans n. Plural of spleuchan. • SPLEUCHAN n. (Gaelic) a pouch, as for tobacco. |
| SPRAUCHLED | • sprauchled v. Simple past tense and past participle of sprauchle. • SPRAUCHLE v. (Scots) to clamber, also SPRACKLE. |
| SPRAUCHLES | • sprauchles n. Plural of sprauchle. • sprauchles v. Third-person singular simple present indicative form of sprauchle. • SPRAUCHLE v. (Scots) to clamber, also SPRACKLE. |
| SULPHATASE | • sulphatase n. (Biochemistry) Alternative spelling of sulfatase. • SULPHATASE n. any of various esterases that accelerate the hydrolysis of sulfuric esters, also SULFATASE. |
| SULPHONATE | • sulphonate n. (British spelling, chemistry) Alternative spelling of sulfonate. • sulphonate v. (British spelling, chemistry) Alternative spelling of sulfonate. • SULPHONATE n. a salt of sulphonic acid. |
| SULPHURATE | • sulphurate v. Alternative spelling of sulfurate. • sulphurate adj. (Poetic, rare, obsolete) sulphurous. • SULPHURATE v. to combine with sulphur, also SULFURATE. |
| SUPERPHYLA | • superphyla n. Plural of superphylum. • SUPERPHYLUM n. a taxonomical division above phylum. |