12-letter words containing a, h, o, l, t
- hemimetaboly — Hemimetabolism.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- hernioplasty — an operation for the repair of a hernia.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heterocercal — having an unequally divided tail, characteristic of sharks, rays, and skates.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heterosexual — of, relating to, or exhibiting heterosexuality.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterothally — the condition of being heterothallic
- hexobarbital — a barbiturate with hypnotic and sedative properties
- high voltage — high-power electricity
- high-voltage — operating on or powered by high voltage: a high-voltage generator.
- hill station — a village, post, or the like, especially in S Asia, at a high altitude where government officials and others can be stationed to escape the great heat of tropical summers.
- histological — the branch of biology dealing with the study of tissues.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- histrionical — (British) Alternative form of histrionic.
- hobnail boot — a boot with a hobnail in the sole
- hofmannsthal — Hugo von [hoo-goh fuh n] /ˈhu goʊ fən/ (Show IPA), 1874–1929, Austrian poet, playwright, and librettist.
- 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.
- homeothermal — homoiothermal.
- homolecithal — having a fairly uniform distribution of yolk, as certain eggs or ova having relatively little yolk.
- homologation — to approve; confirm or ratify.
- honorability — (American spelling) Alternative form of honourability.
- horizontally — at right angles to the vertical; parallel to level ground.
- horometrical — Relating to horometry.
- 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.
- 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.
- humboldt bay — an inlet of the Pacific Ocean in NW California.
- humiliations — Plural form of humiliation.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrolysates — Plural form of hydrolysate.
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrothermal — noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.
- hydroxylated — Simple past tense and past participle of hydroxylate.