| BIBLIOGRAPHER | • bibliographer n. A person who compiles bibliographies, or who studies bibliography. • BIBLIOGRAPHER n. an expert in bibliography. |
| BIOGEOGRAPHER | • biogeographer n. A person engaged in biogeography. • BIOGEOGRAPHER n. a practitioner of biogeography. |
| BREAKTHROUGHS | • breakthroughs n. Plural of breakthrough. • BREAKTHROUGH n. an offensive thrust that penetrates and carries beyond a defensive line in warfare. |
| DAUGHTERBOARD | • daughterboard n. (Computing, electronics) A circuit board that is an extension of a motherboard or other card. • DAUGHTERBOARD n. a small circuit board that can be attached to the motherboard of a computer. |
| FINGERBREADTH | • fingerbreadth n. A (usually approximate and informal) unit of measurement based upon the radial width of the human finger. • FINGERBREADTH n. the breadth of a finger. |
| HEARTBREAKING | • heartbreaking adj. That causes great grief, anguish or distress. • heartbreaking n. The breaking of a heart; great grief, anguish or distress. • heart-breaking adj. (Idiomatic) That causes extreme sorrow or grief. |
| HEARTBURNINGS | • heartburnings n. Plural of heartburning. • HEARTBURNING n. intense or rancorous jealousy or resentment. |
| IAMBOGRAPHERS | • iambographers n. Plural of iambographer. • IAMBOGRAPHER n. one who writes in iambics. |
| MEGAHERBIVORE | • megaherbivore n. (Biology) Any very large herbivore, typically one weighing more than 1000 kg. • MEGAHERBIVORE n. a large plant-eater. |
| OVERBREATHING | • overbreathing v. Present participle of overbreathe. • overbreathing n. Hyperventilation. • overbreathing n. Excessive breathing. |
| SCHLUMBERGERA | • schlumbergera n. (Botany) Any member of the cactus genus Schlumbergera. • Schlumbergera prop.n. A taxonomic genus within the family Cactaceae – crab cactus, including the Christmas cactus or holiday cactus. • SCHLUMBERGERA n. Christmas cactus. |
| SNOBOGRAPHERS | • snobographers n. Plural of snobographer. • SNOBOGRAPHER n. one who engages in snobography, the description of snobs. |
| STRAIGHTBREDS | • straightbreds n. Plural of straightbred. • STRAIGHTBRED n. an animal produced by breeding a single breed, strain, or type. |
| SUBCHARTERING | • SUBCHARTER v. to rent a chartered vehicle. |
| THOROUGHBRACE | • thoroughbrace n. (Dated) A leather strap supporting the body of a carriage, and attached to springs or serving as a spring itself. • THOROUGHBRACE n. any of several leather straps supporting the body of a carriage and serving as springs. |
| TURBOCHARGERS | • turbochargers n. Plural of turbocharger. • TURBOCHARGER n. a centrifugal blower driven by exhaust gas turbines and used to supercharge an engine. |