13-letter words containing t, h, e, r, m, a
- heart massage — rhythmic manual compression of the sternum or heart to restore normal heartbeat, as after cardiac arrest.
- heart monitor — a machine that registers the activity of the heart
- heart of palm — the stripped terminal bud of a cabbage palm, especially of the genus Euterpe, eaten in salads or as a vegetable.
- heart problem — a defect or disease of the heart
- heart-warming — gratifying; rewarding; satisfying: a heartwarming response to his work.
- hellgrammites — Plural form of hellgrammite (Alternative spelling of hellgramites).
- hemacytometer — hemocytometer.
- hematothermal — warm-blooded; homoiothermal.
- hemichordates — Plural form of hemichordate.
- hemiparasitic — Semiparasitic.
- hereditaments — Plural form of hereditament.
- hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- hermaphrodyte — (archaic) alternative spelling of hermaphrodite.
- hermeneutical — of or relating to hermeneutics; interpretative; explanatory.
- heterogametes — Plural form of heterogamete.
- heterogametic — (of a species or individual organism) having two unlike gametes.
- heterothermal — having a different or varying temperature
- hierogrammate — a writer of hierograms
- histaminergic — releasing histamine
- home straight — the section of a racecourse forming the approach to the finish
- homoiothermal — having a body temperature that is relatively constant and mostly independent of the temperature of the environment; warm-blooded (opposed to poikilothermic).
- hotel manager — sb who runs a hotel
- hydrated lime — a soft, white, crystalline, very slightly water-soluble powder, Ca(OH) 2 , obtained by the action of water on lime: used chiefly in mortars, plasters, and cements.
- hygrometrical — Alternative form of hygrometric.
- hymenopterans — Plural form of hymenopteran.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- hypermetropia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermutation — (uncountable) Frequent mutation.
- hypernatremia — an abnormally high concentration of sodium in the blood.
- hyperromantic — extremely or excessively romantic
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hypsometrical — Of or pertaining to hypsometry.
- hyracotherium — eohippus.
- iatrochemical — relating to iatrochemistry or iatrochemists
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- impact wrench — an electric or pneumatic power wrench with interchangeable toolhead attachments, used for installing and removing nuts, bolts, and screws.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- initial rhyme — beginning rhyme.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- katharometers — Plural form of katharometer.
- kinematograph — cinematograph.
- lead chromate — a yellow crystalline compound, PbCrO 4 , toxic, insoluble in water: used as an industrial paint pigment.
- light mineral — any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.
- lucifer match — friction match.
- macrolecithal — megalecithal.
- magnetographs — Plural form of magnetograph.
- magnetosphere — the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Compare magnetopause.