9-letter words containing o, i, r, e, a
- aperiodic — not periodic; not occurring at regular intervals
- aperitivo — aperitif (sense 2), esp. any of those produced in Italy
- aphorized — Simple past tense and past participle of aphorize.
- aphorizer — a person who aphorizes
- aphorizes — Third-person singular simple present indicative form of aphorize.
- aphrodite — the goddess of love and beauty, daughter of Zeus
- appointer — to name or assign to a position, an office, or the like; designate: to appoint a new treasurer; to appoint a judge to the bench.
- apronlike — resembling an apron
- aprosexia — Inability to concentrate.
- arabinose — a pentose sugar in plant gums, esp of cedars and pines. It is used as a culture medium in bacteriology. Formula: C5H10O5
- aragonite — a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO3. Crystal structure: orthorhombic
- arborized — Simple past tense and past participle of arborize.
- arccosine — the function the value of which for a given argument between –1 and 1 is the angle in radians (between 0 and π), the cosine of which is that argument: the inverse of the cosine function
- archilowe — a treat, such as a drink, given in return for something
- arecoline — a drug derived from betel nuts and producing a range of effects, including increased salivation, body temperature, and heart rate
- arenation — the use of hot sand as a medical poultice
- arid zone — either of the zones of latitude 15–30° N and S characterized by very low rainfall and desert or semidesert terrain
- aristotle — a bottle
- armouries — a drill hall used for training and as headquarters by a reserve unit of the armed forces
- aromatise — Alternative spelling of aromatize.
- aromatize — to make aromatic
- arpeggios — Plural form of arpeggio.
- arrowlike — resembling an arrow
- arsenious — of or containing arsenic in the trivalent state
- artemotil — A fast-acting blood schizonticide specifically indicated for the treatment of chloroquine-resistant Plasmodium falciparum malaria and cerebral malaria cases.
- arteriola — (anatomy) An arteriole.
- arteriole — any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries
- artichoke — Artichokes or globe artichokes are round green vegetables that have fleshy leaves arranged like the petals of a flower.
- artmobile — a truck trailer outfitted to transport and exhibit works of art in areas without access to museums.
- arytenoid — denoting either of two small cartilages of the larynx that are attached to the vocal cords
- aspersion — a disparaging or malicious remark; slanderous accusation (esp in the phrase cast aspersions (on))
- assertion — a positive statement, usually made without an attempt at furnishing evidence
- assortive — to distribute, place, or arrange according to kind or class; classify; sort.
- asteroids — Plural form of asteroid.
- atherosis — (pathology) atheroma.
- atomizers — Plural form of atomizer.
- atrophied — exhibiting or affected with atrophy; wasted; withered; shriveled: an atrophied arm; an atrophied talent.
- 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.
- attornies — Plural form of attorny.
- au poivre — coated with crushed black peppercorns, sautéed, and usually flamed with brandy and served with a sauce
- au revoir — goodbye
- aureation — (rhetoric) The enhancement of the seriousness of a topic by the use of elaborate circumlocutions or polysyllabic or Latinate words for it.
- auriscope — a medical instrument for examining the external ear
- authorise — to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- authorize — If someone in a position of authority authorizes something, they give their official permission for it to happen.
- autocrime — a crime involving a motor vehicle, esp the theft of a car
- autocrine — relating to self-stimulation, through the production of a factor and a specific receptor for it
- autotimer — a device for turning a system on and off automatically at times predetermined by advance setting
- averroism — the teachings of Averroës
- aversions — Plural form of aversion.