11-letter words containing a, p, o, i
- anglophobia — hatred or fear of England or its people, culture, customs, influence, etc.
- anglophonic — of or relating to English speakers
- animal pole — the formative part of an ovum, having the greatest amount of cytoplasm and containing the nucleus.
- anisocarpic — (of a flower) having a lower number of carpels than of other floral parts.
- anisopteran — belonging or pertaining to the suborder Anisoptera, comprising the dragonflies.
- 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.
- anthropical — relating to human nature
- anthropoids — Plural form of anthropoid.
- 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.
- aphasiology — The study of linguistic problems resulting from brain damage.
- aphidicolin — A tetracyclic diterpene antibiotic with antiviral and antimitotical properties.
- aphlogistic — (archaic) flameless.
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- 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
- apollinaire — Guillaume (ɡijom), real name Wilhelm Apollinaris de Kostrowitzki. 1880–1918, French poet, novelist, and dramatist, regarded as a precursor of surrealism; author of Alcoöls (1913) and Calligrammes (1918)
- apollinaris — an effervescent mineral water
- apollonicon — a large chamber organ with keyboards and barrels
- apologetics — the branch of theology concerned with the defence and rational justification of Christianity
- apologising — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- apologizing — Present participle of apologize.
- apomorphine — a white crystalline alkaloid, derived from morphine, that is used medicinally as an emetic, as an expectorant, and in Parkinson's disease. Formula: C17H17NO2
- aponeurosis — a white fibrous sheet of tissue by which certain muscles are attached to bones
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- 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.