13-letter words containing t, h, a, c
- heterological — (grammar) Of an adjective, not describing itself.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- heterostracan — any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates.
- heterothallic — having mycelia of two unlike types, both of which must participate in the sexual process. Compare homothallic (def 1).
- heuristically — serving to indicate or point out; stimulating interest as a means of furthering investigation.
- hexactinellid — a type of sponge characterized by their (usually) six siliceous spicules or rays
- hexadactylism — Sexdactyly.
- hexadactylous — hexadactylic
- high-wire act — a circus trick in which the performer walks across a high wire
- hilbert space — a complete infinite-dimensional vector space on which an inner product is defined.
- histaminergic — releasing histamine
- histochemical — the branch of science dealing with the chemical components of cellular and subcellular tissue.
- hogarth chair — a Queen Anne chair having a solid splat and cabriole legs, all pieces having a cyma curve or outline.
- holometabolic — Of, pertaining to, or undergoing holometabolism.
- homestead act — a special act of Congress (1862) that made public lands in the West available to settlers without payment, usually in lots of 160 acres, to be used as farms.
- homiletically — In a homiletic fashion.
- homochromatic — of or relating to one hue; monochromatic.
- homogenetical — of, involving or relating to homogeny
- homoscedastic — having the same variance.
- honey stomach — the crop of an ant, bee, or other hymenopterous insect, serving as a reservoir for honeydew and nectar, especially the enlarged crop of a honeybee in which nectar is acted on by enzymes to form honey.
- horrification — That which causes horror.
- horticultural — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- hospital care — medical treatment provided in a hospital
- hospital case — a patient that is being, or needs to be, treated in a hospital
- hot chocolate — warm drink made with chocolate powder
- hubristically — in a presumptuous or arrogant manner
- human capital — the collective skills, knowledge, or other intangible assets of individuals that can be used to create economic value for the individuals, their employers, or their community: Education is an investment in human capital that pays off in terms of higher productivity.
- humped cattle — any of several breeds of domestic cattle developed from the Indian species Bos indicus and characterized by a hump of fat and muscle over the shoulders.
- hunt and peck — a slow and inefficient method of typing by looking for each key separately before striking it: used by untrained typists.
- hunt-and-peck — a method of typing while looking at the keyboard, usually using only the forefingers to press the keys
- hunting chair — a chair having a sliding frame in front serving as a footrest.
- hunting watch — hunter (def 6).
- hyacinth bean — an Old World tropical vine, Dolichos lablab, of the legume family, having purple or white flowers and black or white seeds in a papery, beaked pod.
- hydrofracture — (geology) Rock fracture caused by the pressure of freezing water.
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hygrometrical — Alternative form of hygrometric.
- hyperactivate — (biology) To cause or undergo hyperactivation.
- hyperactively — In a hyperactive manner.
- hyperactivity — the condition of being hyperactive.
- hypercautious — Especially or unreasonably cautious.
- hypercritical — excessively or meticulously critical; overcritical.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperdactylia — the presence of extra fingers or toes.
- hypergalactia — an abnormally large secretion of milk.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- hyperreactive — Showing a much greater than normal response to a stimulus.
- hyperromantic — extremely or excessively romantic
- hyperthetical — Misspelling of hypothetical.