13-letter words containing a, t, i, u, s
- instantaneous — occurring, done, or completed in an instant: an instantaneous response.
- instinctually — of, relating to, or of the nature of instinct.
- institutional — of, relating to, or established by institution.
- instructional — the act or practice of instructing or teaching; education.
- instrumentals — Plural form of instrumental.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- insubstantial — not substantial or real; lacking substance: an insubstantial world of dreams.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- insupportably — In an insupportable manner.
- insusurration — (obsolete) The act of whispering into something.
- intellectuals — Plural form of intellectual.
- inter-assured — to make (a future event) sure; ensure: This contract assures the company's profit this month.
- intermuscular — of or relating to muscle or the muscles: muscular strain.
- interosculant — Mutually touching or intersecting.
- interosculate — to interpenetrate; inosculate.
- interscapular — between the scapulae or shoulder blades.
- intersexually — In an intersexual way.
- intracapsular — Within a capsule.
- intramuscular — located or occurring within a muscle.
- intrapreneurs — Plural form of intrapreneur.
- intravascular — within the blood vessels.
- intravenously — through or within a vein. Abbreviation: IV.
- isoagglutinin — an agglutinin that can effect isoagglutination.
- isostructural — (of two substances) having the same crystal structure but not necessarily a similar chemical composition.
- jesuit's bark — cinchona (def 2).
- judgmentalism — Judgmental behaviour or attitude.
- just a minute — wait, stop
- justification — a reason, fact, circumstance, or explanation that justifies or defends: His insulting you was ample justification for you to leave the party.
- justificative — Justificatory.
- justificatory — serving to justify; providing justification.
- justin martyr — Saint, a.d. c100–163? early church historian and philosopher.
- juxtaposition — an act or instance of placing close together or side by side, especially for comparison or contrast.
- kenyapithecus — a genus of fossil hominoids of middle Miocene age found in Kenya and having large molars, small incisors, and powerful chewing muscles.
- key signature — (in notation) the group of sharps or flats placed after the clef to indicate the tonality of the music following.
- kick upstairs — to strike with the foot or feet: to kick the ball; to kick someone in the shins.
- lactobacillus — any long, slender, rod-shaped, anaerobic bacterium of the genus Lactobacillus, that produces large amounts of lactic acid in the fermentation of carbohydrates, especially in milk.
- laughingstock — an object of ridicule; the butt of a joke or the like: His ineptness as a public official made him the laughingstock of the whole town.
- leiomyomatous — a benign tumor composed of nonstriated muscular tissue.
- lighthouseman — a lighthouse keeper
- linguistician — linguist (def 1).
- liquefacients — Plural form of liquefacient.
- liquefactions — Plural form of liquefaction.
- liquid assets — assets in the form of money or easily convertible into money
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- little russia — former name for the region consisting mainly of Ukraine but sometimes considered as including adjacent areas.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- lower austria — a province in NE Austria. 7092 sq. mi. (18,370 sq. km).
- lucrativeness — profitable; moneymaking; remunerative: a lucrative business.
- lunar caustic — silver nitrate, AgNO 3 , especially in a sticklike mold, used to cauterize tissues.
- magnetiferous — (dated) Producing or conducting magnetism.