13-letter words containing a, c, t, i
- affectionless — showing no affection or kindly disposition towards
- affectiveness — The property of being affective.
- affinity card — An affinity card is a type of credit card. The bank which issues the card gives a small amount of money to a charity or institution each time the customer spends a certain amount with their card.
- 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.
- agonistically — in an agonistic manner
- agriculturist — an agricultural expert
- agrobacterium — A soil bacterium, of the genus Agrobacterium, which can fix nitrogen, and causes the formation of crown galls in plants.
- agroecologist — One who studies agroecology.
- ahistorically — In an ahistorical way.
- 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.
- alchemistical — relating to alchemists
- allergenicity — causing allergic sensitization.
- allochromatic — Physical Chemistry. pertaining to or having photochemical properties resulting from an impurity or from exposure to radiation.
- allotypically — in the manner of an allotype
- alumosilicate — (inorganic chemistry) The anion [AlSiO4]-1.
- ambient music — a style of popular music which aims to create a relaxing atmosphere
- amniocenteses — Plural form of amniocentesis.
- amniocentesis — If a pregnant woman has an amniocentesis, fluid is removed from her womb in order to check that her unborn baby is not affected by certain genetic disorders.
- amphictyonies — Plural form of amphictyony.
- amphitheatric — Of, pertaining to, exhibited in, or resembling an amphitheatre.
- amphitrichate — having a single flagellum at each end.
- amphitrichous — having a single flagellum at each end.
- amphotericins — Plural form of amphotericin.
- amplification — the act or result of amplifying
- amplificative — Amplificatory.
- amplificatory — of the nature of enlargement or extension, as of a statement, narrative, etc.
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.
- anaphylactoid — Of, pertaining to, or resembling anaphylaxis.
- anathematical — of or relating to an anathema
- ancient greek — the Greek language from the earliest records to about 300 bc, the chief dialect areas of which were Aeolic, Arcadic, Doric, and Ionic (including Attic)
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- anecdotically — in an anecdotical manner
- anesthetic to — incapable of feeling or responding to
- anfractuosity — the condition or quality of being anfractuous
- angelica tree — Hercules'-club
- anglicisation — The process by which something or someone (usually a word) is made more English. Usually applied to language or culture.
- anglicization — (US) alternative spelling of anglicisation.
- anharmonicity — (mechanics) Of or pertaining to the deviation of a system from harmonicity (being a harmonic oscillator).
- animal starch — glycogen.
- anisometropic — relating to anisometropia
- anna christie — a play (1921) by Eugene O'Neill.
- annunciations — Plural form of annunciation.
- anomalistical — relating to a planet's angular distance from its last perihelion or orbital point nearest to the sun
- antarctictite — (mineral) A saline evaporite consisting of calcium chloride, CaCl.6H2O, found in Victoria Land, Antarctica.
- ante-christum — before Christ. Abbreviation: A.C.
- anthelminthic — Of use against intestinal worms.