12-letter words containing t, a, o, i, s, m
- germinations — Plural form of germination.
- giant slalom — a slalom race in which the course has more gates and is longer and steeper than that in a regular slalom.
- gila monster — a large, venomous lizard, Heloderma suspectum, of the southwestern U.S. and northwestern Mexico, covered with beadlike scales of yellow, orange, and black.
- glioblastoma — A highly invasive glioma in the brain.
- glossematics — a school of linguistic analysis developed by Louis Hjelmslev (1899–1965) in Copenhagen in the 1930s based on the study of the distribution of glossemes.
- gramophonist — a person who uses a gramophone
- gran turismo — (of an automobile) certified as conforming to the specifications, as fuel capacity and engine displacement, for a class of standard automobiles (Gran Turismo) qualified to engage in various types of competitions. Abbreviation: GTO.
- gravitropism — (biology, botany) a plant's ability to change its growth in response to gravity.
- gynecomastia — abnormal enlargement of the breast in a male.
- haematolysis — Haemolysis.
- harmoniumist — a person who plays a harmonium
- hemarthrosis — (pathology) bleeding in the joints.
- hematologist — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- hidrocystoma — An adenoma of the sweat glands.
- hippopotamus — a large herbivorous mammal, Hippopotamus amphibius, having a thick hairless body, short legs, and a large head and muzzle, found in and near the rivers, lakes, etc., of Africa, and able to remain under water for a considerable time.
- histiocytoma — A tumour consisting of histiocytes.
- home staging — the professional service of preparing homes for sale in such a way as to appeal to potential buyers and generate higher selling prices: Realtors who encourage sellers to invest in home staging are reporting substantial monetary returns—for both themselves and their clients.
- homeopathist — a person who practices or favors homeopathy.
- homesteading — a dwelling with its land and buildings, occupied by the owner as a home and exempted by a homestead law from seizure or sale for debt.
- homoeostasis — Alternative spelling of homeostasis.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- humanisation — Alternative form of humanization.
- humiliations — Plural form of humiliation.
- hypogastrium — the lower and median part of the abdomen.
- hysteromania — unusually increased sexual desire in a woman
- iatrochemist — a person who practises iatrochemistry
- iconomachist — a person who campaigns against the use of icons in religious worship
- illuminators — Plural form of illuminator.
- immigrations — Plural form of immigration.
- immiseration — to make miserable.
- immoralistic — (somewhat, rare) Of or relating to immoralism.
- immoralities — Plural form of immorality.
- immortalised — to bestow unending fame upon; perpetuate.
- immortalizes — Third-person singular simple present indicative form of immortalize.
- immunisation — (British, immunology) alternative spelling of immunization.
- impassionate — filled with passion; impassioned.
- imperforates — Plural form of imperforate.
- impersonated — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonates — Third-person singular simple present indicative form of impersonate.
- impersonator — a person who pretends to be another.
- implications — something implied or suggested as naturally to be inferred or understood: to resent an implication of dishonesty.
- importancies — Plural form of importancy.
- importations — Plural form of importation.
- impositional — Of or relating to imposition; intrusive.
- imprecations — Plural form of imprecation.
- improvisator — a person who improvises; improviser.
- in altissimo — in the octave commencing an octave above the treble clef
- in mothballs — a small ball of naphthalene or sometimes of camphor for placing in closets or other storage areas to repel moths from clothing, blankets, etc.
- inflationism — the policy or practice of inflation through expansion of currency or bank deposits.
- informations — (legal) Plural form of information.