| HARDIHOOD | • hardihood n. Unyielding boldness and daring; firmness in doing something that exposes one to difficulty, danger… • hardihood n. Excessive boldness; foolish daring; offensive assurance. • hardihood n. (Of a plant) Ability to withstand extreme conditions, hardiness. |
| HEXACHORD | • hexachord n. (Music) A series of six tones denoted with the syllables ut-re-mi-fa-sol-la separated by seconds, the… • HEXACHORD n. a series of six notes, with a semitone between the third and fourth, the other intervals being whole tones. |
| HIGHROADS | • highroads n. Plural of highroad. • high␣roads n. Plural of high road. • HIGHROAD n. a highway; a much travelled or main road. |
| HOARHEADS | • hoarheads n. Plural of hoarhead. • HOARHEAD n. a hoary-headed old man. |
| HOARHOUND | • hoarhound n. Alternative form of horehound. • HOARHOUND n. a kind of wild flower, also HOREHOUND. |
| HODOGRAPH | • hodograph n. (Physics, mathematics) A curve described by the moving extremity of a line whose other end is fixed… • HODOGRAPH n. a curve of which the radius vector represents the velocity of a moving particle. |
| HOLOHEDRA | • holohedra n. Plural of holohedron. • HOLOHEDRON n. a geometrical form possessing the property of holohedrism. |
| HOREHOUND | • horehound n. Any plant of the genus Marrubium. • horehound n. Any plant of the genus Ballota. • horehound n. A herb, Marrubium vulgare, of the mint family, traditionally used as a cough remedy and to make a type of hard candy. |
| HORNYHEAD | • hornyhead n. Any North American chubs of the genus Nocomis, especially Nocomis biguttatus. • HORNYHEAD n. a North American river chub. |
| HORSEHEAD | • horsehead n. The head of a horse. • horsehead n. A pump for pumping oil from an oil well. • horsehead n. A steel girder supporting the roof of a mine tunnel. |
| HORSEHIDE | • horsehide n. Hide of a horse. • horsehide n. (Baseball, slang) A baseball. • HORSEHIDE n. the hide of a horse; the ball used in the game of baseball. |
| HORSESHOD | • horseshod v. Simple past tense and past participle of horseshoe. • HORSESHOD adj. shod with horseshoes. |
| HYDROPATH | • hydropath n. A hydropathist. • HYDROPATH n. a practitioner of hydropathy, the study of treating diseases with water. |
| RHAMPHOID | • rhamphoid adj. (Mathematics) Of a cusp: defined by the equation (𝑦−𝑥2)2=𝑥5, which is parametrized by (𝑡2,𝑡4+𝑡5); having… • RHAMPHOID adj. hook-beak-shaped, like e.g. a toucan. |
| RHEOCHORD | • rheochord n. A wire that can measure or vary the resistance of an electric circuit, or measure the variability of the current. • RHEOCHORD n. a wire rheostat, a metallic wire used for regulating the resistance of a circuit, also RHEOCORD. |
| ROUGHSHOD | • roughshod adj. (Farriery) Of a horse: having hooves shod with horseshoes that have calks or projecting parts to prevent slipping. • roughshod adj. (By extension) Brutal or domineering. • ROUGHSHOD adj. provided with horseshoes with projecting nails to afford extra grip. |
| SHORTHAND | • shorthand n. A rough and rapid method of writing by substituting symbols for letters, words, etc. • shorthand n. (By extension) Any brief or shortened way of saying or doing something. • shorthand v. (Transitive) To render (spoken or written words) into shorthand. |
| SHORTHEAD | • short␣head n. (Horse racing) A distance of less than the length of a horse’s head. • SHORTHEAD n. a fish, a species of American redhorse. |
| SHORTHOLD | • shorthold adj. (UK, law) Describing a tenancy that exists for an agreed term, at the end of which the property may… • shorthold n. A tenancy of this kind. • SHORTHOLD adj. of or being a tenancy of one to five years. |
| THRESHOLD | • threshold n. The bottom-most part of a doorway that one crosses to enter; a sill. • threshold n. (By extension) An entrance; the door or gate of a house. • threshold n. (By extension) Any end or boundary. |