13-letter words containing c, o, a
- affectionated — Simple past tense and past participle of affectionate.
- affectionless — showing no affection or kindly disposition towards
- african union — an organization of African states established in 2002 as successor to the OAU; it aims to encourage economic development and political stability through increased cooperation between its members
- afro-american — African-American
- age allowance — an income tax allowance given to taxpayers aged 65 or over
- agonistically — in an agonistic manner
- agro-economic — of or relating to a nation's agricultural economy, the financial problems of farmers as a group, etc.: mounting pressures on the agro-economic system.
- agrobacterium — A soil bacterium, of the genus Agrobacterium, which can fix nitrogen, and causes the formation of crown galls in plants.
- agrochemicals — Plural form of agrochemical.
- agroecologist — One who studies agroecology.
- agronomically — in an agronomic manner
- ahistorically — In an ahistorical way.
- ailurophiliac — Appropriate or pleasing to ailurophiles.
- air commodore — a senior officer of the Royal Air Force and certain other air forces, of equivalent rank to brigadier in the Army
- air core coil — having a nonmagnetic core, as one of fiber or plastic, encircled by a coil (air-core coil) or containing one or more such coils: air-core transformer.
- air force one — the US Air Force plane used by the US president
- air injection — injection of liquid fuel into the cylinder of an internal-combustion engine, especially a diesel, by means of a jet of compressed air.
- air-condition — to apply air conditioning to
- aircraftwoman — The female equivalent of an aircraftman.
- aircraftwomen — Plural form of aircraftwoman.
- aius locutius — a disembodied voice that warned the Romans of a coming invasion by the Gauls.
- albizu campos — Pedro [pe-th raw] /ˈpɛ ðrɔ/ (Show IPA), 1891–1964, Puerto Rican political leader.
- albumin color — (in textile printing) a color fixed to a fabric by an albuminous mordant.
- alcohol abuse — the excessive consumption of alcoholic drinks
- alcohol patch — a patch impregnated with the drug mecamylamine, which is worn on the skin by someone trying to reduce his or her craving for alcohol
- alcoholically — in an alcoholic manner
- alcoholometer — an instrument, such as a specially calibrated hydrometer, for determining the percentage of alcohol in a liquid
- alcoholometry — the process of measuring the concentration of alcohol in a liquid, such as in blood or a liquor
- alectryomancy — an ancient form of divination, using a rooster to select grains of food placed on letters of the alphabet.
- aleman lacayo — Jose Arnoldo [hoh-zey ahr-nohl-doh] /hoʊˈzeɪ ɑrˈnoʊl doʊ/ (Show IPA), 1946–2002, president of Nicaragua 1997–2002.
- all-consuming — taking up all of someone's time and attention
- allegorically — consisting of or pertaining to allegory; of the nature of or containing allgegory; figurative: an allegorical poem; an allegorical meaning.
- allelomorphic — relating to alleles
- allochromatic — Physical Chemistry. pertaining to or having photochemical properties resulting from an impurity or from exposure to radiation.
- allochthonous — (of rocks, deposits, etc) found in a place other than where they or their constituents were formed
- allotypically — in the manner of an allotype
- allowable cut — the amount of a natural resource, as grain or oil, that may be harvested or taken from the earth within a specified period, as limited by law for conservation.
- alluvial cone — a steep, narrow, cone-shaped alluvial fan formed where a swift stream suddenly slows down, as where an upland stream emerges abruptly into a level plain
- allyl alcohol — a colourless pungent poisonous liquid used in the manufacture of resins, plasticizers, and other organic chemicals. Formula: CH2:CHCH2OH; relative density: 0.85; melting pt: –129°C; boiling pt: 96.9°C
- alonzo church — (person) A twentieth century mathematician and logician, and one of the founders of computer science. Church invented the lambda-calculus and posited a version of the Church-Turing thesis.
- alpha blocker — any of various substances that interfere with the action of the alpha receptors.
- alpha scorpii — Antares
- alpha-blocker — any of a class of drugs that prevent the stimulation of alpha adrenoceptors, a type of receptor in the sympathetic nervous system, by adrenaline and noradrenaline and that therefore cause widening of blood vessels: used in the treatment of high blood pressure and prostatic hyperplasia
- alphabet code — a list of easily distinguishable words, each representing a letter of the alphabet, used in radio and telephonic communications.
- alpine chough — a bird of the crow family, Pyrrocorax graculus, found in the highest mountain regions of S Europe and central Asia, with a yellow bill, black plumage, and red legs
- alsike clover — a European clover, Trifolium hybridum, having pink flowers, grown in the U.S. for forage.
- altered chord — a chord in which one or more notes are chromatically changed by the introduction of accidentals
- alumosilicate — (inorganic chemistry) The anion [AlSiO4]-1.
- alveolar arch — the part of the upper or lower jawbone in which the teeth are set.
- amarantaceous — amaranthine