14-letter words containing r, o
- air-to-surface — launched from an aircraft and directed at a land target
- airborne alert — a state of military alert wherein combat-equipped aircraft are flying and prepared for action.
- airconditioned — Alternative spelling of air-conditioned.
- airconditioner — Alternative form of air conditioner.
- aircraftswoman — a woman holding a noncommissioned rank in the RAF.
- airplane cloth — a strong, plain-weave cloth of linen or cotton, originally used for airplane wings
- airport lounge — an area in an airport which has seats, and sometimes other services such as toilets and refreshments, and where passengers wait for their plane
- airport police — a police unit dedicated to providing security at airports
- alain-fournier — real name Henri-Alban Fournier. 1886–1914, French novelist; author of Le Grand Meaulnes (1913; translated as The Lost Domain, 1959)
- alarm reaction — the first stage of the general adaptation syndrome, in which the body responds to stress by exhibiting shock.
- album-oriented — of or designating a format featuring rock songs from LPs and CDs rather than singles, especially mainstream rock music.
- albury-wodonga — a town in SE Australia, in S central New South Wales, on the Murray River: commercial centre of an agricultural region. Pop: 69 880 (2001)
- alcohol abuser — someone who drinks too much alcohol
- alektorophobia — The fear of chickens.
- aleurone layer — the outer protein-rich layer of certain seeds, esp of cereal grains
- alexipharmakon — an antidote to poison
- algonquin park — a provincial park in S Canada, in E Ontario, containing over 1200 lakes. Area: 7100 sq km (2741 sq miles)
- all or nothing — You can use all or nothing to say that either something must be done fully and completely or else it cannot be done at all.
- all over again — If you say that something is happening all over again, you are emphasizing that it is happening again, and you are suggesting that it is tiring, boring, or unpleasant.
- all year round — If something happens all year round, it happens throughout the year.
- all-conquering — having defeated all opponents over a long period of time
- all-or-nothing — not allowing for qualification or compromise; either fully or not at all operative: an all-or-nothing approach.
- allegorization — to make into an allegory; narrate allegorically.
- allelomorphism — the state of being or the passing on of allelomorphs
- alley cropping — a method of planting in which rows of trees are interspersed with rows of crops, improving the soil and providing nutrients, particularly nitrogen, to the crops.
- alligator clip — a spring-loaded fastening device having jaws with a sawlike edge that resemble those of an alligator, used as to make a temporary electrical connection
- alligator pear — avocado
- alloiostrophos — irregularly divided, not in a regular pattern of strophe and antistrophe
- allopatrically — In an allopatric manner.
- allosterically — In an allosteric manner.
- allotetraploid — a hybrid cell or individual possessing four times the chromosomes in a haploid organism
- allotransplant — allograft.
- allowance race — a race in which each horse is assigned a specified weight according to age, record of past performance, sex, etc.
- allyl caproate — a colorless to pale yellow liquid, C 9 H 16 O 2 , having a pineapple odor: used chiefly as a scent in the manufacture of flavorings and perfume.
- 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
- almond extract — oil, essence
- alpha receptor — a receptor, found on the surface of some cells of the sympathetic nervous system, that is stimulated by adrenergic substances resulting in constriction of blood vessels and contraction of most smooth muscle
- alpha-carotene — a common form of carotene found in certain vegetables and fruit
- alpha-receptor — a site on a cell that, upon interaction with epinephrine or norepinephrine, controls vasoconstriction, intestinal relaxation, pupil dilation, and other physiological processes.
- 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.
- alternate host — a host, other than the usual or primary host, on which a parasitic organism can sustain itself.
- aluminohydride — (inorganic compound) The univalent anion, AlH4-, present in such compounds as lithium aluminium hydride.
- alveolar ridge — the ridgelike border of the upper and lower jaws containing the sockets of the teeth.
- amaranthaceous — of, relating to, or belonging to the Amaranthaceae (or Amarantaceae), a family of tropical and temperate herbaceous or shrubby flowering plants that includes the amaranths and cockscomb
- 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.
- 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 cloth — a glazed or waterproofed cotton cloth