15-letter words containing a, d, i, t
- almighty dollar — money regarded as a major goal in life or as the basis of power: Love of the almighty dollar has ruined many people.
- alpha radiation — alpha particles emitted from a radioactive isotope
- ammunition dump — a place where ammunition is left
- amphiarthrodial — a joint permitting only slight motion, as that between the vertebrae.
- an axe to grind — an ulterior motive
- ancient of days — a name for God, originating in the Authorized Version of the Old Testament (Daniel 7:9)
- andes lightning — an electrical discharge of the corona type, occurring over mountains when the atmosphere is electrically disturbed.
- androstenedione — a weak hormone, C19H26O2, produced by the ovaries, testes, and adrenal glands as a precursor to estrogen, testosterone, etc.: formerly taken in a concentrated tablet or capsule form as by some bodybuilders
- anti-depressant — An anti-depressant is a drug which is used to treat people who are suffering from depression.
- anti-federalism — U.S. History. a member or supporter of the Antifederal party.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- anti-radicalism — the holding or following of radical or extreme views or principles.
- antiaphrodisiac — something that represses sexual desire
- anticancer drug — a drug used to treat cancer
- anticardiolipin — (medicine, immunology) Directed against cardiolipin.
- anticoincidence — of or relating to an electronic circuit that produces an output pulse if one but not both of its input terminals receives a pulse within a specified interval of time
- antidepressants — of or relating to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects.
- antidevelopment — (of a group) opposed to development
- antieducational — opposing the provision of knowledge
- antifederalists — Plural form of antifederalist.
- antitraditional — opposed to or acting with disregard for tradition
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- arrondissements — Plural form of arrondissement.
- ascribed status — the social position assigned to a person on the basis of kinship, ethnic group, sex, etc.
- assistant judge — a person who assists a judge in their work or who is not yet fully qualified as a judge
- assisted living — Assisted living is a type of housing specially designed for people who need help in their everyday lives, but who do not need specialist nursing care. In assisted living facilities, residents live in independent rooms or apartments, but receive help with day-to-day activities, for example bathing, dressing, preparing meals, and taking their medicines.
- astrodynamicist — a person who studies astrodynamics
- at sb's bidding — If you do something at someone's bidding, you do it because they have asked you to do it.
- atlantic ridley — ridley (def 1).
- atlantic-ridley — ridley (def 1).
- attitude survey — a survey of the opinions held by a particular group of people
- audience rating — a figure based on statistical sampling indicating what proportion of the total listening and viewing audience tune in to a specific programme or network
- audio equipment — electrical devices used to play or record sound
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- audubon society — a North American organization devoted to the conservancy of birds
- augmented sixth — an interval greater than a major sixth by a chromatic half step.
- autodestructive — likely to cause one's own destruction
- autodidacticism — any self-directed learning or self-education
- automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
- autoradiographs — Plural form of autoradiograph.
- autoradiography — the technique or process of making autoradiographs.
- autoschediastic — offhand, with little forethought or preparation
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- backseat driver — If you refer to a passenger in a car as a backseat driver, they annoy you because they constantly give you advice about how to drive.
- baconian method — induction (def 4a).
- badminton court — the court on which games of badminton are played
- bag on the side — An extension to an established hack that is supposed to add some functionality to the original. Usually derogatory, implying that the original was being overextended and should have been thrown away, and the new product is ugly, inelegant, or bloated. Also "to hang a bag on the side [of]". "C++? That's just a bag on the side of C." "They want me to hang a bag on the side of the accounting system."
- bait and switch — Bait and switch is used to refer to a sales technique in which goods are advertised at low prices in order to attract customers, although only a small number of the low-priced goods are available.