13-letter words containing a, s, t, u, c, i
- subcollegiate — of, relating to, or characteristic of subcollege students or a subcollege
- subindication — the act or process of subindicating
- subindicative — of or relating to subindicating
- subspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- subspeciality — a particular area of expertise within a specialism
- subtriplicate — designating or involving the ratio of the cube roots of two terms
- subtropically — in the subtropics
- suction valve — a nonreturn valve in a pump suction to prevent the pump draining or depriming when not in service
- suffocatingly — to kill by preventing the access of air to the blood through the lungs or analogous organs, as gills; strangle.
- suicide watch — a system of regular checking on prisoners who seem likely to attempt suicide.
- sunrise watch — dogwatch (def 2).
- superactivity — extreme activity; hyperactivity
- supercautious — very or extremely cautious
- supercritical — extremely critical.
- supergalactic — a system of galaxies.
- superparticle — (in supersymmetry theory) a theoretical particle that is a partner to an observed particle, having the same mass but a different spin
- superreaction — a reverse movement or tendency; an action in a reverse direction or manner.
- superromantic — exceptionally romantic
- surgical boot — a specially designed boot or shoe that compensates for deformities of the foot or leg
- sylvicultural — relating to sylviculture
- tautochronism — the fact or quality of being a tautochrone
- tautosyllabic — occurring within the same syllable: The (s) and (t) are tautosyllabic in the word disturb, but not in distaste.
- tenaciousness — holding fast; characterized by keeping a firm hold (often followed by of): a tenacious grip on my arm; tenacious of old habits.
- tetrastichous — arranged in a spike of four vertical rows, as flowers.
- tourist class — the least costly class of accommodations on regularly scheduled ships and airplanes. Compare third class (def 2).
- touristically — in a touristic or touristy manner
- toxicophagous — poison-eating
- transcaucasia — a region in SE Europe, S of the Caucasus Mountains, between the Black and Caspian seas: constituted a republic 1922–36 (Transcauca·sian So·cialist Fed·erated So·viet Repub·lic) area now includes the republics of Armenia, Azerbaijan, and Georgia.
- trucial coast — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- tungstic acid — a hydrate of tungsten trioxide, H 2 WO 4 ⋅H 2 O, used in the manufacture of tungsten-lamp filaments.
- tussiculation — a hacking cough.
- ultracautious — extremely or excessively cautious
- ultraphysical — extremely physical
- unascertained — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- uncertainness — not definitely ascertainable or fixed, as in time of occurrence, number, dimensions, or quality.
- uncharismatic — (of a person) not charismatic; lacking charisma; dull
- unchastisable — not deserving to be chastised; beyond reproach
- uncomplaisant — not eager to please; not compliant or obliging
- unconstrained — forced, compelled, or obliged: a constrained confession.
- uncustomarily — according to or depending on custom; usual; habitual.
- undissociated — not dissociated, especially into ions or into simpler molecules.
- undistracting — not distracting; not showy or ostentatious
- undomesticate — to make wild
- unethicalness — lacking moral principles; unwilling to adhere to proper rules of conduct.
- unfascinating — of great interest or attraction; enchanting; charming; captivating: a fascinating story; fascinating jewelry.
- unplasticized — not made plastic, as by the addition of a plasticizer
- unsignificant — important; of consequence.
- unspeculative — not characterized by speculation
- unsymmetrical — characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.
- unsympathetic — characterized by, proceeding from, exhibiting, or feeling sympathy; sympathizing; compassionate: a sympathetic listener.