11-letter words containing a, s, p, o
- 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
- apotheosise — Alternative spelling of apotheosize.
- apotheosize — to deify
- 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.
- appositions — Plural form of apposition.
- appositives — Plural form of appositive.
- appressoria — a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.
- apron stage — a stage that projects into the auditorium so that the audience sit on three sides of it
- arabidopsis — Any cress (or related plant) of the genus Arabidopsis.
- archbishops — Plural form of archbishop.
- ars poetica — the art of poetry
- arsonphobia — Pyrophobia.
- arthroscope — a tubular instrument that is inserted into the capsule of a joint to examine the joint, extract tissue, etc
- arthroscopy — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- arthrospore — a sporelike cell of ascomycetous fungi and some algae produced by a breaking of the hyphae
- ascriptions — Plural form of ascription.
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspersorium — a basin containing holy water with which worshippers sprinkle themselves
- asphyxiator — to produce asphyxia in.
- aspirations — a strong desire, longing, or aim; ambition: intellectual aspirations.
- asportation — the removal or taking away of something
- assumptions — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- asteropaeus — a Trojan ally slain by Achilles.
- astraphobia — a fear of thunder and lightning
- astrography — The art of describing or delineating the stars; a description or mapping of the heavens.
- astrophobia — A fear of stars and celestial space.
- astrophyton — The giant basket star, an early Mesozoic invertebrate.
- astrosphere — the part of the aster excluding the centrosome
- atmosphered — having an intellectual or psychological climate or feeling
- atmospheres — Plural form of atmosphere.
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- attophysics — the physics of structures and artefacts with dimensions in the attometre range or of devices, such as lasers, capable of producing pulses with a duration measured in attoseconds
- audiophiles — Plural form of audiophile.
- audiotypist — a typist trained to type from a dictating machine
- auditorship — the position or function of auditor
- autophagous — self-consuming or devouring of itself
- autophanous — illuminated by a self-contained power source
- autoplastic — Of or pertaining to autoplasty.
- autopoiesis — Self creation; self organization.
- avoirdupois — a system of weights used in many English-speaking countries. It is based on the pound, which contains 16 ounces or 7000 grains. 100 pounds (US) or 112 pounds (Brit) is equal to 1 hundredweight and 20 hundredweights equals 1 ton
- axanthopsia — a defect of vision in which the retina fails to respond to yellow.
- azoospermia — absence of spermatozoa in the semen