13-letter words containing h, a, t, i
- helianthemums — Plural form of helianthemum.
- helianthine b — methyl orange.
- heliotropical — heliotropic
- hellenization — to make Greek in character.
- hellgrammites — Plural form of hellgrammite (Alternative spelling of hellgramites).
- helminthiasis — a disease caused by parasitic worms in the intestines.
- hemagglutinin — A substance, such as a viral protein, that causes hemagglutination.
- hematogenesis — hematopoiesis.
- hematological — Hematologic.
- hematologists — Plural form of hematologist.
- hematopoiesis — the formation of blood.
- hematopoietic — the formation of blood.
- hematosalpinx — (medicine) A medical condition involving bleeding into the Fallopian tubes.
- hemichordates — Plural form of hemichordate.
- hemimetabolic — (zoology) Having an incomplete metamorphosis, the larvae differing from the adults chiefly in lacking wings.
- hemiparasitic — Semiparasitic.
- hemolymphatic — a fluid in the body cavities and tissues of invertebrates, in arthropods functioning as blood and in some other invertebrates functioning as lymph.
- heortological — of or relating to heortology
- hepatectomies — Plural form of hepatectomy.
- hepatobiliary — Of, pertaining to, or originating in the liver, bile ducts and gallbladder.
- heptadecanoic — as in heptadecanoic acid, a saturated fatty acid, aka margaric acid
- heptaselenide — (chemistry) any selenide containing seven selenium atoms in each molecule.
- heptasyllabic — having seven syllables
- herb patience — a European plant, Rumex patientia, of the buckwheat family, naturalized in North America, having long, wavy-margined, basal leaves used for salads.
- herborization — the act or process of herborizing
- hereditaments — Plural form of hereditament.
- hereditarians — Plural form of hereditarian.
- heritage site — a historical site, a building, or an area of the unspoilt natural environment, considered to be important to a country or area's heritage
- hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- hermeneutical — of or relating to hermeneutics; interpretative; explanatory.
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroic stanza — elegiac stanza.
- heroin addict — sb dependent on heroin
- hertzian wave — an electromagnetic wave produced by oscillations in an electric circuit, as a radio or radar wave: first investigated by H. R. Hertz.
- hessian boots — a knee-high tasseled boot, fashionable in England in the early 19th century.
- heterarchical — Of or pertaining to heterarchy.
- heteroblastic — (of a plant or plant part) showing a marked difference in form between the juvenile and the adult structures
- heterogametic — (of a species or individual organism) having two unlike gametes.
- heteroglossia — (linguistics) the coexistence of distinct varieties within a single linguistic code.
- heterographic — Misspelled; of or pertaining to an incorrect spelling or a spelling that differs from accepted standards.
- heterological — (grammar) Of an adjective, not describing itself.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- heteropolitan — a heterosexual man, typically living in a city, whose attitudes and interests are regarded as masculine but not excessively so
- 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.
- hexamethonium — a compound, C 10 H 24 N 2 , used in the treatment of severe hypertension to lower blood pressure and increase blood flow by blocking transmission of nerve impulses that constrict blood vessels.
- hiatal hernia — an abnormal condition in which part of the stomach protrudes upward through the esophageal cleft in the diaphragm, sometimes causing a backflow of acid stomach contents into the esophagus.
- hiatus hernia — an abnormal condition in which part of the stomach protrudes upward through the esophageal cleft in the diaphragm, sometimes causing a backflow of acid stomach contents into the esophagus.