| BATHOCHROME | • BATHOCHROME n. a shift to a longer wavelength in the absorption spectrum of a compound. |
| 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. |
| BIORHYTHMIC | • biorhythmic adj. Of or pertaining to biorhythms. • BIORHYTHMIC adj. relating to biorhythms. |
| BIRTHNIGHTS | • birthnights n. Plural of birthnight. • BIRTHNIGHT n. the night in which a person is born; the anniversary of that night in succeeding years. |
| BIRTHRIGHTS | • birthrights n. Plural of birthright. • BIRTHRIGHT n. a right, privilege, or possession to which a person is entitled by birth. |
| BREECHCLOTH | • breechcloth n. An apron-like garment held on by a belt tied around the waist to cover the loins; a loincloth. • breech-cloth n. Alternative spelling of breechcloth. • BREECHCLOTH n. a loincloth. |
| BROTHERHOOD | • brotherhood n. The state of being brothers or a brother (also figuratively). • brotherhood n. An association or people for any purpose, such as a society of monks; a fraternity. • brotherhood n. All the people engaged in the same business, especially those of the same profession. |
| CHILDBIRTHS | • childbirths n. Plural of childbirth. • child-births n. Plural of child-birth. • CHILDBIRTH n. the act of giving birth. |
| HAIRBREADTH | • hairbreadth n. The width of a hair, a very short distance or a very small amount. • HAIRBREADTH n. the breadth of a hair; a minute distance, also HAIRSBREADTH. |
| HANDBREADTH | • handbreadth n. A space equal to the breadth of the hand; a palm. • HANDBREADTH n. the breadth of a hand, also HANDSBREADTH. |
| HEARTTHROBS | • heartthrobs n. Plural of heartthrob. • HEARTTHROB n. an object of affection. |
| RHABDOLITHS | • rhabdoliths n. Plural of rhabdolith. • RHABDOLITH n. a calcareous rod in some Protozoa. |
| THARBOROUGH | • THARBOROUGH n. (Shakespeare) a mispronunciation of thirdborough, also FARBOROUGH. |
| THORNBUSHES | • thornbushes n. Plural of thornbush. • THORNBUSH n. a bush bearing thorns. |