11-letter words containing a, p, t, o
- anisotropic — not isotropic; having different physical properties in different directions
- antatrophic — preventing or curing atrophy.
- anteportico — a lesser portico preceding a main portico.
- anthophobia — an abnormal fear of flowers.
- anthrophony — Any sound produced by human beings or their creations.
- anthropical — relating to human nature
- anthropoids — Plural form of anthropoid.
- anthroponym — a personal name.
- anticipator — to realize beforehand; foretaste or foresee: to anticipate pleasure.
- antihyperon — the antiparticle of the hyperon
- antileprosy — acting against leprosy
- antileptons — Plural form of antilepton.
- antiphonary — a bound collection of antiphons, esp for use in the divine office
- antiphonies — Plural form of antiphony.
- antipopular — opposed to the people or to popular cause
- antipoverty — acting against poverty
- antiprotons — Plural form of antiproton.
- antipyrotic — relieving the pain and stimulating the healing of burns.
- antistrophe — the second of two movements made by a chorus during the performance of a choral ode
- antityphoid — preventing or acting against typhoid
- antiutopian — Opposing utopian values.
- aortography — an X-ray examination of the aorta
- apatosaurus — brontosaurus
- apertometer — an instrument for measuring the angular and numerical aperture of the objective lens of a microscope.
- aphlogistic — (archaic) flameless.
- apicodental — articulated with the apex of the tongue near the upper front teeth, as ( (θ) ; t h) ) and (; ð) ; th) )
- apicoectomy — a surgical procedure to remove the end of a tooth root in endodontic therapy.
- apocalyptic — Apocalyptic means relating to the total destruction of something, especially of the world.
- apocopation — to shorten by apocope.
- apocynthion — the point at which a spacecraft in lunar orbit is farthest from the moon
- apodictical — (archaic) Apodictic; being clearly demonstrable; certain.
- apodization — (mathematics) Any of several techniques to modify the form of a mathematical function, or of a spectrum etc. by smoothing or removing irregularities.
- apodyterium — the changing room in an ancient Roman bathhouse
- apoferritin — a homogeneous protein, found especially in the intestinal mucosa and the liver, that interacts with a ferric hydroxide-ferric phosphate complex to form ferritin.
- apoliticism — the quality of being apolitical
- apologetics — the branch of theology concerned with the defence and rational justification of Christianity
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- apophthegms — Plural form of apophthegm.
- apophyllite — a white, colourless, pink, or green mineral consisting of a hydrated silicate of calcium, potassium, and fluorine in tetragonal crystalline form. It occurs in cracks in volcanic rocks. Formula: KCa4(Si4O10)2(OH1F).8H2O
- apophysitis — (pathology) Inflammation of an apophysis, a bony tubercle.
- apoproteins — Plural form of apoprotein.
- aposiopetic — Of or pertaining to aposiopesis.
- apostatized — Simple past tense and past participle of apostatize.
- apostlebird — an omnivorous bird, Struthidea cinerea, of eastern Australia, that has chiefly dark gray-brown plumage with white tail markings and is noted for its habit of traveling in groups of about 12 related individuals.
- apostleship — the position or duty of an apostle
- apostolates — Plural form of apostolate.
- apostolical — Apostolic.
- apostrophes — Plural form of apostrophe.
- apostrophic — a digression in the form of an address to someone not present, or to a personified object or idea, as “O Death, where is thy sting?”.
- apostrophus — a symbol resembling a reversed letter C used in Roman numerals to denote large numbers