12-letter words containing o, a, t, h
- hoary marmot — a large marmot, Marmota caligata, living in mountainous areas of Siberia and northwestern North America and having a heavy, yellow-gray body, short black limbs, and black and white head and shoulders.
- hobnail boot — a boot with a hobnail in the sole
- hockey skate — a tubular ice skate having a shorter blade than a racing skate and often having a reinforced shoe for protection.
- hofmannsthal — Hugo von [hoo-goh fuh n] /ˈhu goʊ fən/ (Show IPA), 1874–1929, Austrian poet, playwright, and librettist.
- hohenstaufen — a member of the royal family that ruled in Germany from 1138 to 1208 and from 1215 to 1254, and in Sicily from 1194 to 1266.
- hojatoleslam — a title of respect given to an ayatollah or a middle-ranking Shiite cleric, which means literally 'proof of Islam'
- hold against — resent sb for sth
- holding tank — a tank for the temporary storage of a substance.
- holistically — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- holkar state — a former state of central India, ruled by the Holkar dynasty of Maratha rulers of Indore (18th century until 1947)
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holoplankton — plankton that spend their entire life cycle as free-swimming organisms (opposed to hemiplankton).
- holothurians — Plural form of holothurian.
- 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.
- home teacher — private tutor
- home theater — big-screen TV setup
- homeopathist — a person who practices or favors homeopathy.
- homeotherapy — therapy for a disease by means of an agent that is similar to but not identical with the causative agent of the disease.
- homeothermal — homoiothermal.
- homesteaders — Plural form of homesteader.
- 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.
- homoeopathic — Alternative spelling of homeopathic.
- homoeostasis — Alternative spelling of homeostasis.
- homolecithal — having a fairly uniform distribution of yolk, as certain eggs or ova having relatively little yolk.
- homologation — to approve; confirm or ratify.
- homoromantic — Romantically attracted to those of the same gender.
- honorability — (American spelling) Alternative form of honourability.
- 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
- horometrical — Relating to horometry.
- horse trader — a person who is shrewd and clever at bargaining.
- horse trials — a competitive sporting event at which riders have to show their skill in dressage, show-jumping, and cross-country
- horse's tail — burro's tail.
- horse-trader — a person who buys and sells horses
- hospital bed — a bed having side rails that can be raised or lowered and a mattress base in three jointed sections so that the head, foot, or middle may be raised by a crank or motor, allowing a patient to lie in various positions, as a therapeutic aid or for comfort.
- hospitalised — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalists — Plural form of hospitalist.
- hospitalized — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalizes — Third-person singular simple present indicative form of hospitalize.
- host adaptor — SCSI adaptor
- 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 arrest — confinement of an arrested person to his or her residence or to a public place, as a hospital, instead of in a jail: He was under house arrest until the day of his trial.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housefathers — Plural form of housefather.
- housemasters — Plural form of housemaster.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.