12-letter words containing a, m, t, u
- hypothalamus — a region of the brain, between the thalamus and the midbrain, that functions as the main control center for the autonomic nervous system by regulating sleep cycles, body temperature, appetite, etc., and that acts as an endocrine gland by producing hormones, including the releasing factors that control the hormonal secretions of the pituitary gland.
- illuminating — to enlighten, as with knowledge.
- illumination — an act or instance of illuminating.
- illuminative — giving light; illuminating.
- illuminators — Plural form of illuminator.
- illuminatory — Increasing informative qualities; explanatory.
- immaculately — free from spot or stain; spotlessly clean: immaculate linen.
- immatureness — not mature, ripe, developed, perfected, etc.
- immaturities — Plural form of immaturity.
- immunisation — (British, immunology) alternative spelling of immunization.
- immunization — the fact or process of becoming immune, as against a disease.
- immutability — not mutable; unchangeable; changeless.
- imparticular — (proscribed) in particular.
- implicatures — Plural form of implicature.
- import quota — the maximum amount of a product that can be imported into a country within a given period of time
- imputability — The character of being imputable.
- imputatively — In an imputative fashion or manner.
- in miniature — on a smaller scale
- incommutable — not exchangeable.
- incommutably — In an incommutable manner.
- incomputable — incapable of being computed; incalculable.
- incomputably — In an incomputable way.
- inhalatorium — a room or building in which vapours are breathed in
- inhumanities — Plural form of inhumanity.
- insectariums — Plural form of insectarium.
- instrumental — serving or acting as an instrument or means; useful; helpful.
- intermundane — existing in the space between worlds or heavenly bodies: intermundane space.
- intraluminal — Within a lumen.
- intramundane — existing or occurring within the material world.
- intramurally — In an intramural manner.
- james hutton — James, 1726–97, Scottish geologist: formulated uniformitarianism.
- judgment day — the day of the Last Judgment; doomsday.
- judgmentally — involving the use or exercise of judgment.
- jumpstarting — Present participle of jumpstart.
- jumpstations — Plural form of jumpstation.
- justicialism — the political doctrine of Juan Domingo Perón, formerly President of Argentina
- kurchatovium — (chemistry) A rejected name for rutherfordium.
- lactalbumins — Plural form of lactalbumin.
- lady's-thumb — a smartweed, Polygonum persicaria, of the buckwheat family, having pink or purplish flowers and lance-shaped leaves with a spot resembling a thumbprint.
- languishment — the act or state of languishing.
- latus rectum — the chord perpendicular to the principal axis and passing through a focus of an ellipse, parabola, or hyperbola.
- leaf mustard — a pungent powder or paste prepared from the seed of the mustard plant, used as a food seasoning or condiment, and medicinally in plasters, poultices, etc.
- league match — a match played between teams in a league (as opposed to an international game)
- lean mixture — A lean mixture is a fuel/air mixture containing a relatively low proportion of fuel.
- lignum vitae — either of two tropical American trees, Guaiacum officinale or G. sanctum, of the caltrop family, having very hard, heavy wood.
- litmus paper — a strip of paper impregnated with litmus, used as a chemical indicator.
- lumberjacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
- macroculture — The dominant culture in a society, its overculture.
- macropterous — having long or large wings or fins.
- macula lutea — macula (def 2b).