13-letter words containing o, r, i, e
- antirecession — acting against recession
- antireformers — Plural form of antireformer.
- antirejection — acting to prevent the rejection of a transplanted organ
- antireligious — opposed to religious ideas, beliefs, and organizations
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antiterrorism — opposed to or acting against terrorism; counterterrorist
- antiterrorist — relating to measures, policies, or organizations designed to combat terrorist activity
- aperiodically — In an aperiodic way.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- apheliotropic — growing in a direction away from the sunlight
- apicoalveolar — articulated with the tip of the tongue in contact with or in approximation to the alveolar ridge.
- apogeotropism — negative geotropism, as shown by plant stems
- apoplectiform — of or resembling apoplexy or stroke.
- apostrophized — Simple past tense and past participle of apostrophize.
- apostrophizes — Third-person singular simple present indicative form of apostrophize.
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- apportionable — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportionment — the act of apportioning
- appreciations — Plural form of appreciation.
- apprehensions — Plural form of apprehension.
- appropinquate — to approach
- appropriately — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriative — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximately — close to; around; roughly or in the region of
- approximative — (of a method, description, etc.) giving only an approximation to something.
- april showers — showers falling in April, generally considered a showery month
- arabian horse — one of a breed of horses, raised originally in Arabia and adjacent countries, noted for intelligence, grace, and speed.
- arachnephobia — Misspelling of arachnophobia.
- araeometrical — relating to araeometry
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- archaelogical — Nonstandard spelling of archaeological.
- archaeologian — (archaic) An archaeologist.
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archaeometric — relating to archaeometry
- archeological — of or relating to archaeology.
- archeologists — archaeology.
- archipelagoes — Plural form of archipelago.
- architectonic — denoting, relating to, or having architectural qualities
- argentiferous — containing or bearing silver
- argilliferous — containing or yielding clay
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- aristocracies — Plural form of aristocracy.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arshile gorky — Arshile [ahr-sheel] /ˈɑr ʃil/ (Show IPA), (Vosdanig Adoian) 1904–48, American painter, born in Armenia.
- arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
- arteriovenous — of, relating to, or affecting an artery and a vein
- arthroscopies — Plural form of arthroscopy.
- arundinaceous — resembling a reed