| EARTHLIGHT | • earthlight n. Sunlight reflected from the Earth’s surface. • EARTHLIGHT n. the faint light visible on parts of the moon not illuminated by the sun. |
| HATCHELLER | • hatcheller n. Alternative form of hatcheler. • HATCHELLER n. a flax-dresser. |
| HEALTHCARE | • healthcare n. Alternative spelling of health care. • health-care n. Alternative spelling of health care. • health␣care n. The prevention, treatment, and management of illness or the preservation of mental and physical well-being… |
| HELIOGRAPH | • heliograph n. An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight. • heliograph n. A heliogram. • heliograph n. An instrument for measuring the intensity of sunlight. |
| HEMIHEDRAL | • hemihedral adj. (Of a crystal) Having only half the plane faces needed for the highest degree of symmetry in its system. • HEMIHEDRAL adj. of a crystal or crystal class, having half of the maximum number of faces or symmetry planes possible for a given crystal system. |
| HEPTACHLOR | • heptachlor n. An organochlorine compound formerly used as an insecticide. • HEPTACHLOR n. a very toxic pesticide. |
| HEPTARCHAL | • HEPTARCHAL adj. of or like a heptarchy, government by seven persons, also HEPTARCHIC. |
| HERALDSHIP | • heraldship n. The status or office of a herald. • HERALDSHIP n. the office of a herald. |
| HEXAHEDRAL | • hexahedral adj. Having six plane surfaces. • HEXAHEDRAL adj. in the form of a hexahedron. |
| HIERARCHAL | • hierarchal adj. Relating to a hierarch. • HIERARCHAL adj. of or like a hierarch. |
| HIGHLANDER | • highlander n. A person who inhabits the Scottish Highlands. • highlander n. Any person who lives in mountainous or hilly terrain. • highlander n. (Collectible card games, often capitalized) A game format in which players are allowed no more than… |
| HOLARCHIES | • holarchies n. Plural of holarchy. • HOLARCHY n. a system of interacting holons. |
| HOLOHEDRAL | • holohedral adj. (Of a crystal) Having as many plane faces as needed for the highest degree of symmetry in its system. • HOLOHEDRAL adj. having all the planes required by complete symmetry, as opposed to hemihedral. |
| HOLOPHRASE | • HOLOPHRASE n. a single word expressing a sentence or phrase. |
| HORSELAUGH | • horselaugh n. A loud, boisterous laugh. • horse␣laugh n. Alternative form of horselaugh. • HORSELAUGH n. a loud, boisterous laugh. |
| HYPAETHRAL | • hypaethral adj. Open-air, outdoor, exposed to the sky. • hypæthral adj. Alternative spelling of hypaethral. • HYPAETHRAL adj. roofless; open to the sky (usually intentionally, so as to see the stars), also HUPAITHRIC, HYPETHRAL, UPAITHRIC. |
| SHAUCHLIER | • SHAUCHLY adj. shuffling. |
| WHEELCHAIR | • wheelchair n. A chair mounted on large wheels for the transportation or use of a sick or disabled person. • wheelchair n. (Attributive) Designed for use by wheelchairbound people. • wheelchair n. (By extension) Any device involving wheels designed to assist a non-human animal with locomotion. |