12-letter words containing t, e, r, h
- heliotropism — heliotropic tendency or growth.
- hellgramites — Plural form of hellgramite.
- hellgrammite — the aquatic larva of a dobsonfly, used as bait in fishing.
- helmet liner — a soft or padded lining for a helmet.
- hemarthrosis — (pathology) bleeding in the joints.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hemihydrates — Plural form of hemihydrate.
- 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.
- hemiparasite — A plant that obtains or may obtain part of its food by parasitism, e.g., mistletoe, which also photosynthesizes.
- henley-shirt — a short- or long-sleeved pullover sport shirt, usually of cotton, with a round neckband and an often covered neckline placket.
- henry tanner — Henry Ossawa [os-uh-wuh] /ˈɒs ə wə/ (Show IPA), 1859–1937, U.S. painter, in France after 1891.
- heortologist — a person who studies heortology
- hephthemimer — a verse with a group of seven metrical half feet
- heptahedrons — Plural form of heptahedron.
- heptahydrate — a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO 4 ⋅7H 2 O.
- 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.
- hereditament — any inheritable estate or interest in property.
- hereditarian — a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
- hereditarily — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
- heritability — capable of being inherited; inheritable; hereditary.
- hermeneutics — the science of interpretation, especially of the Scriptures.
- hermetically — so as to be airtight: hermetically sealed.
- 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
- hertz effect — the effect of ultraviolet radiation in lowering the sparking voltage across a spark gap: an example of photoelectric effect.
- heterauxesis — an unequal or asymmetrical growth of cells, parts of plants or animals
- 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.