13-letter words containing m, a, c, h
- haemodynamics — a branch of physiology that deals with the circulation of the blood
- hail columbia — hell (used as a euphemism): He caught Hail Columbia for coming home late.
- halobacterium — Any of various extremophiles, of genus Halobacterium, found in water saturated or nearly saturated with salt.
- handcraftsman — A handicraftsman.
- harmonic mean — the mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers.
- harmonic tone — a tone produced by suppressing the fundamental tone and bringing into prominence one of its overtones.
- hate campaign — A hate campaign is a series of actions which are intended to harm or upset someone, or to make other people have a low opinion of them.
- hemacytometer — hemocytometer.
- hematological — Hematologic.
- hematopoietic — the formation of blood.
- hemichordates — Plural form of hemichordate.
- hemimetabolic — (zoology) Having an incomplete metamorphosis, the larvae differing from the adults chiefly in lacking wings.
- hemiparasitic — Semiparasitic.
- hemispherical — having the form of a hemisphere.
- hemocytoblast — a primordial cell capable of developing into any type of blood cell.
- hemolymphatic — a fluid in the body cavities and tissues of invertebrates, in arthropods functioning as blood and in some other invertebrates functioning as lymph.
- hepatectomies — Plural form of hepatectomy.
- hermeneutical — of or relating to hermeneutics; interpretative; explanatory.
- hermosa beach — a city in SW California, near Los Angeles.
- heterogametic — (of a species or individual organism) having two unlike gametes.
- hexadactylism — Sexdactyly.
- histaminergic — releasing histamine
- histochemical — the branch of science dealing with the chemical components of cellular and subcellular tissue.
- holometabolic — Of, pertaining to, or undergoing holometabolism.
- holy mackerel — astonishment
- homalographic — representing parts with like proportions.
- 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
- homolographic — representing parts with like proportions.
- 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.
- 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.
- human cloning — the act of producing a human as a clone
- human ecology — ecology (def 4).
- 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.
- hydraulic ram — a device by which the energy of descending water is utilized to raise a part of the water to a height greater than that of the source.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hygrometrical — Alternative form of hygrometric.
- hypercalcemia — an abnormally large amount of calcium in the blood.
- hyperglycemia — an abnormally high level of glucose in the blood.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- hyperromantic — extremely or excessively romantic
- hyperuricemia — an excess of uric acid in the blood, often producing gout.
- hypocalcaemia — (medical) alternative spelling of hypocalcemia.
- hypocalcaemic — of or relating to hypocalcaemia
- hypoglycaemia — (medical) alternative spelling of hypoglycemia.
- hypoglycaemic — Alternative spelling of hypoglycemic.