| ANTHROPOPHOBIAS | • ANTHROPOPHOBIA n. fear of humans. |
| ANTHROPOPHOBICS | • anthropophobics n. Plural of anthropophobic. • ANTHROPOPHOBIC n. someone having a fear of humans. |
| ARITHMOPHOBIAS | • ARITHMOPHOBIA n. a fear of numbers. |
| BATRACHOPHOBIAS | • BATRACHOPHOBIA n. fear of frogs and toads. |
| BRACHISTOCHRONE | • brachistochrone n. (Mathematics) A cycloid; the curve of fastest descent between two points. • BRACHISTOCHRONE n. the curve along which a particle acted on by a force (e.g. gravity) will pass in the shortest time from one given point to another. |
| BRACHYTHERAPIES | • brachytherapies n. Plural of brachytherapy. • BRACHYTHERAPY n. a medical procedure used in the treatment of prostate cancer. |
| ERYTHROPHOBIAS | • ERYTHROPHOBIA n. an aversion to the color red; an extreme fear of blushing. |
| HAIRBREADTHS | • hairbreadths n. Plural of hairbreadth. • HAIRBREADTH n. the breadth of a hair; a minute distance, also HAIRSBREADTH. |
| HAIRSBREADTH | • hairsbreadth n. A very short distance or a very small amount (as is the width of a hair). • hair's␣breadth n. A very small amount or distance. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HAIRSBREADTHS | • hairsbreadths n. Plural of hairsbreadth. • hairs'␣breadths n. Plural of hair’s breadth. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HEATHBERRIES | • HEATHBERRY n. any of various plants that have berrylike fruits and grow on heaths, such as the bilberry and crowberry. |
| HEATHBIRDS | • HEATHBIRD n. the black grouse. |
| OPISTHOBRANCH | • opisthobranch n. (Zoology) A gastropod with gills behind the heart, formerly thought to belong to a single group. • opisthobranch adj. (Of gills) Placed behind the heart. • opisthobranch adj. (Of a gastropod) Having gills placed behind the heart. |
| OPISTHOBRANCHS | • opisthobranchs n. Plural of opisthobranch. • OPISTHOBRANCH n. a type of mollusc having gills, little or no shell, two pairs of tentacles. |
| ORNITHOPHOBIAS | • ORNITHOPHOBIA n. fear of birds. |
| RHABDOLITHS | • rhabdoliths n. Plural of rhabdolith. • RHABDOLITH n. a calcareous rod in some Protozoa. |
| THROMBOPHILIAS | • thrombophilias n. Plural of thrombophilia. • THROMBOPHILIA n. combined inflammation and thrombosis of a vein. |