| ABIOTROPHIES | • abiotrophies n. Plural of abiotrophy. • ABIOTROPHY n. bodily or mental loss of function or degeneration for reasons unknown. |
| ARCHEOBOTANY | • archeobotany n. Alternative form of archaeobotany. • ARCHEOBOTANY n. the analysis and interpretation of plant remains found at archaeological sites, also ARCHAEOBOTANY. |
| ASTROPHOBIAS | • ASTROPHOBIA n. a morbid fear of thunder and lightning, also ASTRAPHOBIA, ASTRAPOPHOBIA. |
| BATHOCHROMES | • BATHOCHROME n. a shift to a longer wavelength in the absorption spectrum of a compound. |
| BATHOCHROMIC | • bathochromic adj. (Physics) Of a change in the position of a spectral band, to a lower frequency. • BATHOCHROMIC adj. denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound. |
| BOTHERATIONS | • botherations n. Plural of botheration. • BOTHERATION n. trouble, bother. |
| CHONDROBLAST | • chondroblast n. A cell which originates from a mesenchymal stem cell and forms chondrocytes. • CHONDROBLAST n. a cell that forms cartilage. |
| EROTOPHOBIAS | • EROTOPHOBIA n. fear of sex. |
| FOOTBREADTHS | • footbreadths n. Plural of footbreadth. • FOOTBREADTH n. the width of a foot. |
| HONORABILITY | • honorability n. (American spelling) Alternative form of honourability. • HONORABILITY n. being honorable, also HONOURABILITY. |
| HOUSEBOATERS | • houseboaters n. Plural of houseboater. • HOUSEBOATER n. one who lives on a houseboat. |
| KATABOTHRONS | • KATABOTHRON n. (Modern Greek) an underground water channel, also KATAVOTHRON. |
| MOTHERBOARDS | • motherboards n. Plural of motherboard. • MOTHERBOARD n. the board containing the main circuits of an electronic device, especially in computers. |
| ORTHOBORATES | • orthoborates n. Plural of orthoborate. • ORTHOBORATE n. a salt of orthoboric acid. |
| TERATOPHOBIA | • teratophobia n. (Rare) An irrational fear of monsters (terrifying creatures, or deformed children). • TERATOPHOBIA n. an irrational fear of monsters. |
| THARBOROUGHS | • THARBOROUGH n. (Shakespeare) a mispronunciation of thirdborough, also FARBOROUGH. |
| THOROUGHBASS | • thoroughbass n. (Music) Synonym of figured bass. • THOROUGHBASS n. esp. in baroque music, a bass part underlying a piece. |
| THROMBOXANES | • thromboxanes n. Plural of thromboxane. • THROMBOXANE n. any of several compounds formed from prostaglandin endoperoxides which, when released from blood platelets, induce platelet aggregation and arterial constriction. |
| TROPHOBLASTS | • trophoblasts n. Plural of trophoblast. • TROPHOBLAST n. the outermost layer of cells in the morula that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway. |