9-letter words containing a, s, p, o
- apophyges — Plural form of apophyge.
- apophyses — Plural form of apophyse.
- apophysis — a process, outgrowth, or swelling from part of an animal or plant
- apoptosis — the programmed death of some of an organism's cells as part of its natural growth and development
- apostates — Plural form of apostate.
- apostille — a marginal annotation or note.
- apostolic — Apostolic means belonging or relating to a Christian religious leader, especially the Pope.
- apostolos — a book containing parts of the Epistles and parts of the Acts of the Apostles.
- apothegms — Plural form of apothegm.
- apothesis — (architecture) A place on the south side of the chancel in primitive churches, furnished with shelves, for books, vestments, etc.
- appaloosa — a breed of horse, originally from America, typically having a spotted rump
- apposable — capable of being apposed or brought into apposition
- approvals — Plural form of approval.
- approvers — a person who approves.
- apriorism — the philosophical doctrine that there may be genuine knowledge independent of experience
- apriorist — a person who believes in apriorism
- apronfuls — Plural form of apronful.
- aprosexia — Inability to concentrate.
- apsidiole — a secondary, or small, apse
- areopagus — the hill to the northwest of the Acropolis in Athens
- arpeggios — Plural form of arpeggio.
- ascocarps — Plural form of ascocarp.
- ascospore — one of the spores (usually eight in number) that are produced in an ascus
- asepalous — (of a plant or flower) having no sepals
- aspersion — a disparaging or malicious remark; slanderous accusation (esp in the phrase cast aspersions (on))
- asphodels — Plural form of asphodel.
- aspidioid — relating to an aspidium
- aspirator — a device employing suction, such as a jet pump or one for removing fluids from a body cavity
- asymptote — a straight line that is closely approached by a plane curve so that the perpendicular distance between them decreases to zero as the distance from the origin increases to infinity
- atrophies — Also, atrophia [uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- auriscope — a medical instrument for examining the external ear
- auriscopy — (medicine) Examination of the ear using an auriscope.
- autopista — a Spanish motorway
- autoplast — autograft.
- autopsied — inspection and dissection of a body after death, as for determination of the cause of death; postmortem examination.
- autopsies — Plural form of autopsy.
- autopsist — a surgeon who specializes in conducting autopsies
- autoscope — An optical instrument for examining one's own eye.
- autoscopy — the experience of hallucination in which one sees oneself from outside one's own body
- autospore — a nonmotile algal spore that develops adult characteristics before being released
- auxospore — a diatom cell before its silicaceous cell wall is formed
- baby spot — a small spotlight, usually 250–400 watts, used to highlight a specific section of a stage setting or acting area.
- backdrops — Plural form of backdrop.
- backstops — Plural form of backstop.
- bakeshops — Plural form of bakeshop.
- bar-spoon — a long-handled spoon, usually having the capacity of a teaspoon, used for mixing or measuring ingredients for alcoholic drinks.
- baroscope — any instrument for measuring atmospheric pressure, esp a manometer with one side open to the atmosphere
- barperson — a person who serves in a pub: used esp in advertisements
- basophile — Biology. a basophilic cell, tissue, organism, or substance.
- basophils — Plural form of basophil.