14-letter words containing r, a, i
- allotetraploid — a hybrid cell or individual possessing four times the chromosomes in a haploid organism
- allyl chloride — a colorless, volatile, flammable liquid, C 3 H 5 Cl, having a pungent odor, derived from propylene by chlorination: used chiefly in the synthesis of allyl alcohol, resins, and pharmaceuticals.
- allyl thiourea — thiosinamine
- alpha centauri — a binary star, the brightest star in the constellation Centaurus: magnitude, -0.27: it is the nearest of the stars that are visible to the naked eye, except for the sun
- alpha particle — a helium-4 nucleus, containing two neutrons and two protons, emitted during some radioactive transformations
- alpha virginis — spica
- alphanumerical — alphanumeric; characterized by having letters and numerals
- alpine bistort — Also called snakeweed. a European plant, Polygonum bistorta, of the buckwheat family, having a twisted root, which is sometimes used as an astringent.
- alpine currant — an ornamental shrub, Ribes alpinum, of Europe, having greenish-yellow flowers and scarlet fruit.
- alpine glacier — a glacier that descends from a high valley
- altitudinarian — relating to high ideals
- altruistically — unselfishly concerned for or devoted to the welfare of others (opposed to egoistic).
- aluminohydride — (inorganic compound) The univalent anion, AlH4-, present in such compounds as lithium aluminium hydride.
- aluminum brass — an alloy of about 75 percent copper, 2 percent aluminum, small amounts of other elements, and the balance zinc.
- alveolar ridge — the ridgelike border of the upper and lower jaws containing the sockets of the teeth.
- amateurishness — The quality of being amateurish.
- ambassadorship — a diplomatic official of the highest rank, sent by one sovereign or state to another as its resident representative (ambassador extraordinary and plenipotentiary)
- ambidextrously — In an ambidextrous manner.
- ambisinistrous — clumsy or unskillful with both hands.
- ambitransitive — (of a verb) Able to be used transitively or intransitively without requiring morphological change.
- american bison — a member of the cattle tribe, Bison bison, formerly widely distributed over the prairies of W North America but now confined to reserves and parks, with a massive head, shaggy forequarters, and a humped back
- american chair — Hitchcock chair.
- american cloth — a glazed or waterproofed cotton cloth
- american dream — the U.S. ideal according to which equality of opportunity permits any American to aspire to high attainment and material success
- american eagle — the bald eagle, esp when depicted as the national emblem of the US
- american holly — See under holly (def 1).
- american lotus — water chinquapin (def 1).
- american organ — a reed organ having a suction bellows that draws the air in through the reeds.
- american party — an ignorant or totally uninformed person; ignoramus.
- american sable — the brown fur of the American marten, Martes americana
- american samoa — the part of Samoa administered by the US. Capital: Pago Pago. Pop: 54 719 (2013 est). Area: 197 sq km (76 sq miles)
- american senna — wild senna.
- american twist — a service in which the ball is spun so as to bounce high and to the left of the receiver.
- ammonia liquor — a concentrated solution of ammonia, ammonium compounds, and sulfur compounds, obtained as a by-product in the destructive distillation of bituminous coal.
- amount at risk — the difference between the reserve of a life-insurance policy and its face amount.
- amphiarthroses — a joint permitting only slight motion, as that between the vertebrae.
- amphiarthrosis — a type of articulation permitting only slight movement, as between the vertebrae of the backbone
- amphiprostylar — Amphiprostyle.
- amphiprostyles — Plural form of amphiprostyle.
- amphotericin b — an antibiotic compound, C46H73NO20, used in treating certain diseases caused by parasitic fungi, such as systemic candidiasis
- amrit ceremony — the ceremony of initiation into the Khalsa, at which amrit is drunk by and sprinkled on the heads of candidates for initiation
- amusement ride — a device at a fair, theme park, etc that people can ride in
- amylobarbitone — Obsolete spelling of amobarbital.
- an early night — If you have an early night, you go to bed early. If you have a late night, you go to bed late.
- anacardiaceous — of, relating to, or belonging to the Anacardiaceae, a chiefly tropical family of trees and shrubs many of which have edible drupes. The family includes the cashew, mango, pistachio, and sumach
- anachronically — something or someone that is not in its correct historical or chronological time, especially a thing or person that belongs to an earlier time: The sword is an anachronism in modern warfare.
- anagrammatical — Alternative form of anagrammatic.
- anagrammatized — Simple past tense and past participle of anagrammatize.
- anal retentive — a person who exhibits anal personality traits
- anal-retentive — having an anal character.