12-letter words containing t, h, o
- hemimetaboly — Hemimetabolism.
- hemimorphite — a hydrous zinc silicate mineral, Zn 4 (OH) 2 Si 2 O 7 ⋅H 2 O, occurring in clear, colorless orthorhombic crystals; calamine: an ore of zinc.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hemiscotosis — hemianopsia.
- hemodilution — a decreased concentration of cells and solids in blood, usually caused by an influx of fluid.
- hemotoxicity — Toxicity that affects the blood (especially that affects red blood cells).
- henotheistic — Relating to henotheism.
- heortologist — a person who studies heortology
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatization — the transformation of tissue into a liver-like substance, esp of the lungs in pneumonia
- hepatogenous — originating in the liver
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- hepatotoxins — Plural form of hepatotoxin.
- hepatoxicity — Toxicity that affects the liver.
- heptahedrons — Plural form of heptahedron.
- here to stay — If you say that something is here to stay, you mean that people have accepted it and it has become a part of everyday life.
- hernioplasty — an operation for the repair of a hernia.
- heroic tenor — a tenor with a dramatic voice
- herpetofauna — the reptiles and amphibians that inhabit a given area
- herpetologic — Alternative form of herpetological.
- herring boat — a fishing boat that specializes in catching herring
- herstmonceux — a village in S England, in E Sussex north of Eastbourne: 15th-century castle, site of the Royal Observatory, which was transferred from Greenwich between 1948 and 1958, until 1990
- hessian boot — a knee-high tasseled boot, fashionable in England in the early 19th century.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heterocercal — having an unequally divided tail, characteristic of sharks, rays, and skates.
- heterochrome — heterochromatic.
- heterochrony — a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
- heteroclisis — (grammar) The presence of two or more classes of inflection in the inflectional paradigm of a noun, verb etc.
- heteroclites — Plural form of heteroclite.
- heteroclitic — (linguistics) In linguistics, particularly Indo-European Studies, signifying a stem which alternates between more than one form when declined for grammatical case. Examples of heteroclitic noun stems in Proto-Indo-European include '*wod-r/n-'
- heterocyclic — of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterodoxies — Plural form of heterodoxy.
- heteroduplex — having polynucleotide strands derived from two different sources
- heterodyning — Present participle of heterodyne.
- heteroecious — the development of different stages of a parasitic species on different host plants.
- heterogamete — either of a pair of conjugating gametes differing in form, size, structure, or sex.
- heterogamety — the condition or state of being heterogametic
- heterogamous — Genetics. having unlike gametes, or reproducing by the union of such gametes (opposed to isogamous).
- heterogenous — having its source or origin outside the organism; having a foreign origin.
- heterogonous — Botany. of or relating to monoclinous flowers of two or more kinds occurring on different individuals of the same species, the kinds differing in the relative length of stamens and pistils (opposed to homogonous).
- heterografts — Plural form of heterograft.
- heterography — spelling different from that in current use.
- heterogynous — having females of two different kinds, one sexual and the other abortive or neuter, as ants.
- heterokaryon — a cell containing two or more nuclei of differing genetic constitutions.
- heterokontan — of or relating to a heterokont
- heteroleptic — (chemistry) Describing an organometallic compound having two or more types of ligand.
- heterologous — Biology. of different origin; pertaining to heterology.
- heteromerous — having or consisting of parts that differ in quality, number of elements, or the like: a heteromerous flower.
- heteromorphy — (biology) The state or quality of being heteromorphic; heteromorphism.