12-letter words containing o, t, a, l
- glyptography — the description or study of engraved gems or other stones.
- go ballistic — of or relating to ballistics.
- go walkabout — to wander through the bush
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- gold-beating — the art or process of beating out gold into gold leaf.
- gold-plating — the incorporation of costly and unnecessary features or refinements into a product or structure.
- golden aster — any North American, asterlike, composite plant of the genus Chrysopsis, having bright, golden-yellow flower heads, as C. mariana, of the eastern U.S.
- golden ratio — the ratio of two lengths, equal in value to (1 + √5)/2, and given by b/a = (b + a)/b; it is the reciprocal of the golden section and also equal to (1 + golden section)
- golden stars — a plant, Bloomeria crocea, of the amaryllis family, native to southern California, having clusters of golden-orange, starlike flowers.
- golden state — California (used as a nickname).
- goliath frog — the largest living frog, Rana goliath, which occurs in the Congo region of Africa and can grow to a length of 30 centimetres
- governmental — the political direction and control exercised over the actions of the members, citizens, or inhabitants of communities, societies, and states; direction of the affairs of a state, community, etc.; political administration: Government is necessary to the existence of civilized society.
- gradeflation — grade inflation.
- grallatorial — belonging or pertaining to the wading birds, as the snipes, cranes, storks, and herons, many species of which have very long legs.
- grammatology — the scientific study of systems of writing.
- granulations — Plural form of granulation.
- granuloblast — an immature granulocyte.
- granulocytes — Plural form of granulocyte.
- granulocytic — Of, or pertaining to, granulocytes.
- graphologist — the study of handwriting, especially when regarded as an expression of the writer's character, personality, abilities, etc.
- grapple shot — a grapnellike projectile fired from a gun and used as a hold for the end of a line in rescue operations or in kedging.
- gratuitously — given, done, bestowed, or obtained without charge or payment; free; voluntary.
- gratulations — a feeling of joy.
- grossularite — a mineral, calcium aluminum garnet, Ca 3 Al 2 Si 3 O 12 , occurring in gray-white to pinkish crystals.
- ground alert — the state of waiting for orders in or near combat airplanes ready to take to the air at once.
- ground fault — the momentary, usually accidental, grounding of a conducting wire.
- ground plate — Electricity. a metal plate for making a ground connection to the earth.
- gutturonasal — articulated in the back of the mouth and given resonance in the nasal cavity, as the sound represented by (ng) in (ring).
- habilitation — to clothe or dress.
- habitational — a place of residence; dwelling; abode.
- haematoblast — any of the undifferentiated cells in the bone marrow that develop into blood cells
- haematolyses — Plural form of haematolysis.
- haematolysis — Haemolysis.
- haematoxylin — Alternative spelling of hematoxylin.
- haematoxylon — any thorny leguminous tree of the genus Haematoxylon, esp the logwood, of tropical America and SW Africa. The heartwood yields the dye haematoxylin
- half brother — brother (def 2).
- half section — a part that is cut off or separated.
- half-brother — brother (def 2).
- half-monthly — pertaining to a month, or to each month.
- half-section — a part that is cut off or separated.
- haliplankton — plankton living in sea water
- hallucinator — One whose judgment and acts are affected by hallucinations; one who errs on account of his hallucinations.
- halobacteria — Plural form of halobacterium.
- halogenating — Present participle of halogenate.
- halogenation — (chemistry) The reaction of a halogen with something, especially the replacement of a hydrogen atom of an organic compound with a halogen one.
- halotolerant — (biology) Able to tolerate a high concentration of salt in its environment.
- halotrichite — a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers.
- halton hills — a city in SE Ontario, in S Canada, near Toronto.
- hamartiology — the doctrine of sin in Christian theology
- hambletonian — one of a superior strain of American trotting horses descended from the stallion Hambletonian.