13-letter words containing a, c, e, l
- aerial camera — a camera used to take pictures from the air
- aerodynamical — relating to aerodynamics
- aesthetically — in an aesthetic manner
- affectability — the ability to be influenced or affected by something
- affectibility — The quality or state of being affectible.
- affectionally — In an affectional manner.
- affectionless — showing no affection or kindly disposition towards
- african plate — a major tectonic division of the earth's crust, comprising the African continent as well as adjacent ocean basins (the Canary, Cape Verde, Angola, Cape Agulhas, Somali, Madagascar, and Natal Basins), and bounded on the north by the Eurasian and Arabian Plates, on the east by mid-ocean ridges (the Southwest Indian, Mid-Indian, and Carlsberg Ridges), on the south by the Antarctic Plate, and on the west by the Mid-Atlantic Ridge.
- age allowance — an income tax allowance given to taxpayers aged 65 or over
- agrochemicals — Plural form of agrochemical.
- agroecologist — One who studies agroecology.
- air ambulance — An air ambulance is a helicopter or plane that is used for taking people to hospital.
- 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.
- alchemistical — relating to alchemists
- alcohol abuse — the excessive consumption of alcoholic drinks
- 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.
- alexis carrel — Alexis [uh-lek-sis;; French a-lek-see] /əˈlɛk sɪs;; French a lɛkˈsi/ (Show IPA), 1873–1944, French surgeon and biologist, in U.S. 1905–39: Nobel Prize 1912.
- algebraically — of, occurring in, or utilizing algebra.
- alice springs — a town in central Australia, in the Northern Territory, in the Macdonnell Ranges. Pop: 23 640 (2001)
- all-cash deal — An all-cash deal is a financial transaction in which the payment is made entirely in money.
- all-embracing — Something that is all-embracing includes or affects everyone or everything.
- all-inclusive — All-inclusive is used to indicate that a price, especially the price of a holiday, includes all the charges and all the services offered.
- 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
- allergenicity — causing allergic sensitization.
- 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
- alpha blocker — any of various substances that interfere with the action of the alpha receptors.
- alpha carinae — Canopus1
- 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.
- alphanumerics — Plural form of alphanumeric.
- 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.
- american aloe — century plant
- american curl — a breed of slender cat with curled-back ears and a plumed tail
- american plan — a hotel rate in which the charge includes meals
- amplificative — Amplificatory.
- amygdalaceous — similar to or derived from the almond
- anaerobically — (of an organism or tissue) living in the absence of air or free oxygen.
- anathematical — of or relating to an anathema
- anecdotically — in an anecdotical manner
- anencephalous — congenital absence of part or all of the brain.
- angela merici — Saint, 1474–1540, Italian ecclesiastic, founder of the Ursuline order.