| BATHYMETERS | • bathymeters n. Plural of bathymeter. • BATHYMETER n. an instrument for recording the contours of deep oceans. |
| BATHYSPHERE | • bathysphere n. A spherical steel deep-diving chamber with perspex windows, in which persons are lowered to the depths… • BATHYSPHERE n. a submersible observation chamber. |
| BREATHALYSE | • breathalyse v. (Chiefly Britain) Alternative spelling of breathalyze. • BREATHALYSE v. to use a device which measures the amount of alcohol on a person's breath, also BREATHALYZE. |
| DEHYDRATERS | • DEHYDRATER n. a dehydrating agent, also DEHYDRATOR. |
| ERYTHREMIAS | • erythremias n. Plural of erythremia. • ERYTHREMIA n. another name for the medical condition polycythaemia vera, also ERYTHRAEMIA. |
| GAYFEATHERS | • gayfeathers n. Plural of gayfeather. |
| GRAYWETHERS | • graywethers n. Plural of graywether. • GRAYWETHER n. a sandstone boulder of South England, also GREYWETHER. |
| HEARTLESSLY | • heartlessly adv. In a heartless manner. • HEARTLESS adv. callous, uncaring, also HARTLESSE. |
| HEARTSOMELY | • heartsomely adv. In a heartsome manner. • HEARTSOME adv. exhilarating; merry. |
| HONEYEATERS | • honeyeaters n. Plural of honeyeater. • HONEYEATER n. any bird of a large Australian family. |
| HYSTERESIAL | • HYSTERESIAL adj. pertaining to hysteresis. |
| MESOTHERAPY | • mesotherapy n. (Alternative medicine) Any treatment that involves the injection of vitamins or other substances into… • MESOTHERAPY n. a type of cosmetic procedure involving the injection of minute doses of vitamins etc. under the skin. |
| PACHYMETERS | • pachymeters n. Plural of pachymeter. • PACHYMETER n. an instrument for measuring small thicknesses. |
| SEROTHERAPY | • serotherapy n. (Medicine) The therapeutic use of sera or vaccines. • SEROTHERAPY n. treatment with a serum or antitoxin. |
| SPERMAPHYTE | • spermaphyte n. (Botany) Alternative form of spermatophyte. • SPERMAPHYTE n. any member of the Spermatophyta, seed-bearing plants, also SPERMOPHYTE. |
| TACHYMETERS | • tachymeters n. Plural of tachymeter. • TACHYMETER n. a surveying instrument for rapid measurements of distances, elevations, and bearings. |
| TELPHERWAYS | • telpherways n. Plural of telpherway. • TELPHERWAY n. a route for the conveyance of vehicles or loads by telpher. |
| TETRAETHYLS | • TETRAETHYL n. a compound with four ethyl groups. |