13-letter words containing t, o, u, a, i
- lighthouseman — a lighthouse keeper
- liquefactions — Plural form of liquefaction.
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- liquification — Alternative form of liquefaction.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- logical truth — the property of being logically tautologous
- long fin tuna — a tunny, Thunnus alalunga, occurring mainly in warm regions of the Atlantic and Pacific. It has very long pectoral fins and is a valued food fish
- 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).
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- luteinization — to produce corpora lutea in.
- macromutation — a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.
- macronutrient — Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.
- magnetiferous — (dated) Producing or conducting magnetism.
- magnitudinous — size; extent; dimensions: to determine the magnitude of an angle.
- majority rule — the principle that decisions supported by more than half the people in a group have effect upon all the people in that group
- malfunctional — Not functioning as intended.
- malfunctioned — Simple past tense and past participle of malfunction.
- manipulations — Plural form of manipulation.
- manufactories — Plural form of manufactory.
- matriculation — to enroll in a college or university as a candidate for a degree.
- matriculatory — relating to matriculation
- matt emulsion — a water-based paint which is not shiny when it dries
- medicamentous — of or relating to medicaments
- medium octavo — a size of book, about 6 × 9½ inches (15 × 24 cm), untrimmed. Abbreviation: medium 8vo.
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- metaevolution — (philosophy, biology) The evolution of the elements of evolutionary systems.
- metafunctions — Plural form of metafunction.
- metalliferous — containing or yielding metal.
- metatoluidine — a colorless, slightly water-soluble liquid, C 7 H 9 N, the meta isomer of toluidine, used in the manufacture of dyes and other organic compounds.
- microcultural — Of or pertaining to a microculture.
- micronucleate — having a micronucleus.
- military coup — a coup organized and carried out by members of the armed forces
- misassumption — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- miscalculator — A person who miscalculates.
- misevaluation — an act or instance of evaluating or appraising.
- monetary unit — the standard unit of value of the currency of a country, as the dollar in the U.S. and the franc in France.
- monopotassium — (chemistry) monatomic potassium.
- montauk point — the SE end of Long Island, in SE New York.
- monumentalise — Alt form monumentalize.
- monumentalism — resembling a monument; massive or imposing.
- monumentality — resembling a monument; massive or imposing.
- monumentalize — to establish an enduring memorial or record of.
- mosquito boat — PT boat.
- mosquito hawk — nighthawk (def 1).
- mount gambier — a city in S Australia.
- mount rainier — Mount, a volcanic peak in W Washington, in the Cascade Range. 14,408 feet (4392 meters).
- mountain bike — dirt bike, off-road cycle
- mountain goat — any wild goat inhabiting mountainous regions