12-letter words containing a, s, t, i, g, m
- geomagnetist — someone who studies, or is an expert in, geomagnetism
- german sixth — (in musical harmony) an augmented sixth chord having a major third and a perfect fifth between the root and the augmented sixth
- 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.
- grammaticise — to make grammatical
- grammaticism — a point or principle of grammar.
- 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.
- granny smith — a variety of crisp, green-skinned apple, for eating raw or for cooking.
- gravitropism — (biology, botany) a plant's ability to change its growth in response to gravity.
- great schism — a period of division in the Roman Catholic Church, 1378–1417, over papal succession, during which there were two, or sometimes three, claimants to the papal office.
- guesstimated — Simple past tense and past participle of guesstimate.
- guesstimates — Plural form of guesstimate.
- gynecomastia — abnormal enlargement of the breast in a male.
- hamstringing — Present participle of hamstring.
- hellgramites — Plural form of hellgramite.
- hematologist — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- 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.
- 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.
- human rights — basic civil freedoms
- hypogastrium — the lower and median part of the abdomen.
- immigrations — Plural form of immigration.
- inseminating — Present participle of inseminate.
- jumpstarting — Present participle of jumpstart.
- kashmir goat — one of a long-haired breed of goat raised in Tibet and the higher elevations of China, the Indian subcontinent, Afghanistan, and Turkey for its meat, milk, and cashmere wool.
- lamplighters — Plural form of lamplighter.
- languishment — the act or state of languishing.
- limacologist — a person who specialises in the study of slugs
- lymphangitis — inflammation of the lymphatic vessels.
- magistracies — Plural form of magistracy.
- magnetotails — Plural form of magnetotail.
- magnetotaxis — movement or orientation of an organism in response to a magnetic field.
- magnitogorsk — a city in the W Russian Federation in Asia, on the Ural River, near the boundary between Europe and Asia.
- magnus hitch — a knot similar to a clove hitch but taking one more turn around the object to which the line is being bent; rolling hitch.
- mailing list — a list of addresses to which mail, especially advertisements, can be sent.
- malacologist — A person who studies molluscs, who specializes in malacology.
- masking tape — an easily removed adhesive tape used temporarily for defining margins, protecting surfaces, etc., as when painting, and sometimes also for binding, sealing, or mending.
- mass meeting — a large or general assembly to discuss or hear discussed some matter of common interest or concern: a mass meeting to protest the proliferation of nuclear weapons.
- mass wasting — downhill movement of soil and rock fragments induced by gravity.
- masterbating — Misspelling of masturbating.
- mastersinger — Meistersinger (def 1).
- mastigonemes — Plural form of mastigoneme.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- masturbating — Present participle of masturbate.
- menstruating — to undergo menstruation.
- mesogastrium — the mesentery of the embryonic stomach.