11-letter words containing o, r, p, i
- angiography — a method of obtaining an X-ray of blood vessels by injecting into them a substance, such as one containing iodine, that shows up as opaque on an X-ray picture
- 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.
- 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
- antiphonary — a bound collection of antiphons, esp for use in the divine office
- 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
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- 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.
- 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
- 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.
- apoproteins — Plural form of apoprotein.
- 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.
- 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?”.
- apotropaism — the use of ritual or magic to ward off evil or bad luck
- apparations — Plural form of apparation.
- apparitions — Plural form of apparition.
- applicators — Plural form of applicator.
- applicatory — suitable for application
- apportioned — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportioner — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apprecation — (obsolete) Earnest prayer; devout wish.
- appreciator — to be grateful or thankful for: They appreciated his thoughtfulness.
- appressoria — a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
- approaching — coming closer in time
- approbating — Present participle of approbate.
- approbation — Approbation is approval of something or agreement to it.
- approbative — showing approbation or approval
- appropinque — to approach
- appropriacy — the condition of delicate and precise fittingness of a word or expression to its context, even when it is chosen from a number of close synonyms
- appropriate — Something that is appropriate is suitable or acceptable for a particular situation.
- approvingly — to speak or think favorably of; pronounce or consider agreeable or good; judge favorably: to approve the policies of the administration.
- approximant — an articulation in which one articulator is close to another, but not sufficiently so to form a stop or a fricative.
- approximate — An approximate number, time, or position is close to the correct number, time, or position, but is not exact.
- apricot jam — a sweet preserve made from apricots
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.