15-letter words containing t, r, o, i, l
- antirationalist — opposed to rationalism
- antirationality — the opposition to rationality
- antiretrovirals — Plural form of antiretroviral.
- antitheoretical — opposed to or contradicting a theory
- antitraditional — opposed to or acting with disregard for tradition
- antituberculous — (medicine) Acting to combat or counteract tuberculosis.
- apolipoproteins — Plural form of apolipoprotein.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
- apostolic vicar — vicar apostolic.
- apostrophically — (rhetoric) Using apostrophe; with sudden exclamatory dialogue.
- approach lights — lights on the runway that guide planes coming in to land
- approachability — capable of being approached; accessible.
- approval rating — approval of a politician as shown by opinion polls
- architectonical — Alternative form of architectonic.
- aristotelianism — a philosophical tradition based on the wide-ranging belief system of Aristotle
- arterialization — to convert (venous blood) into arterial blood by the action of oxygen in the lungs.
- articles of war — the disciplinary and legal procedures by which the naval and military forces of Great Britain were bound before the 19th century
- asiatic cholera — cholera (def 1).
- astrobiologists — Plural form of astrobiologist.
- astronautically — In an astronautic way.
- astrophysically — from an astrophysical point of view
- atherosclerosis — a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis
- atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
- autocorrelative — Relating to autocorrelation.
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- automorphically — in an automorphic manner
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotrophically — through an autotrophic process
- auxiliary rotor — the tail rotor of a helicopter, used for directional and rotary control
- aviator glasses — sunglasses that look like goggles
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- bacteriological — Of or relating to bacteriology or bacteria.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- bello horizonte — a city in SE Brazil.
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
- bicycle touring — the activity of touring on a bicycle
- bidirectionally — in a bidirectional manner
- biodestructible — biodegradable
- biot-savart law — the law that the magnetic induction near a long, straight conductor, as wire, varies inversely as the distance from the conductor and directly as the intensity of the current in the conductor.
- black operation — a covert and undocumented military operation
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.