12-letter words containing o, n, t, h
- holding tank — a tank for the temporary storage of a substance.
- holoplankton — plankton that spend their entire life cycle as free-swimming organisms (opposed to hemiplankton).
- holopneustic — having all the spiracles open, as the tracheal systems of most insects.
- holothurians — Plural form of holothurian.
- holy trinity — Trinity (def 1).
- home country — the country a person comes from
- home posting — an appointment to a position within one's own country
- home staging — the professional service of preparing homes for sale in such a way as to appeal to potential buyers and generate higher selling prices: Realtors who encourage sellers to invest in home staging are reporting substantial monetary returns—for both themselves and their clients.
- homesteading — a dwelling with its land and buildings, occupied by the owner as a home and exempted by a homestead law from seizure or sale for debt.
- hominization — the evolution of the human traits that set the genus Homo apart from its primate ancestors.
- hominy grits — grits (def 1).
- homocysteine — An amino acid that occurs in the body as an intermediate in the metabolism of methionine and cysteine.
- homologation — to approve; confirm or ratify.
- homoromantic — Romantically attracted to those of the same gender.
- honest injun — honestly (used to emphasize the truth of a statement).
- honey bucket — a container for excrement, as in an outdoor toilet.
- honey locust — a thorny North American tree, Gleditsia triacanthos, of the legume family, having small, compound leaves and pods with a sweet pulp.
- honor bright — upon my honor; really and truly: I did sweep the floor, honor bright.
- honor system — a system whereby the students at a school, the inmates in a prison, etc., are put on their honor to observe certain rules in order to minimize administrative supervision or to promote honesty.
- honorability — (American spelling) Alternative form of honourability.
- honours list — annual list of persons given royal awards
- hootenannies — Plural form of hootenanny.
- horatian ode — an ode consisting of several stanzas all of the same form.
- horizontally — at right angles to the vertical; parallel to level ground.
- horn antenna — a microwave aerial, formed by flaring out the end of a waveguide
- horse nettle — a large, prickly North American weed, Solanum carolinense, of the nightshade family, having violet to white flowers in a few clusters.
- host country — nation staging an international event
- hostess gown — a robe or housecoat worn by women for informal entertaining at home.
- hot swapping — (hardware) The connection and disconnection of peripherals or other components without interrupting system operation. This facility may have design implications for both hardware and software.
- house hunter — a person who house-hunts
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.
- housing list — a list of people waiting to obtain council houses
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- humanisation — Alternative form of humanization.
- humanization — to make humane, kind, or gentle.
- humification — the formation of humus.
- humiliations — Plural form of humiliation.
- hunting dogs — the constellation Canes Venatici.
- hunting horn — the earliest form of the modern horn, consisting of a conical tube coiled in a circle for carrying over the shoulder, and having a flaring bell and a trumpetlike mouthpiece.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydrogenated — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- hydrokinetic — pertaining to the motion of liquids.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrozincite — a hydrous zinc carbonate, Zn 5 (CO 3) 2 (OH) 6 , an important ore of zinc in some localities.
- hymenoplasty — (medicine) Plastic surgery affecting a woman's hymen, usually involving reconstruction to the unbroken condition ordinarily characteristic of virginity.
- hymenopteran — hymenopterous.