11-letter words containing r, a, i
- 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.
- apron piece — (in a staircase) a header receiving the ends of rough strings, carriage pieces, and the joists of landings.
- aqua fortis — nitric acid
- aquaerobics — A form of aerobics done while in water.
- aquafortist — a person who makes engravings or etchings through the use of aqua fortis
- aquamarines — Plural form of aquamarine.
- aquarellist — (arts) An artist who paints aquarelles.
- aquariology — The study of the fauna and flora of aquaria.
- aquiculture — aquaculture
- arab legion — a police force (1920–56) under British supervision, responsible for keeping order among desert tribesmen in Trans-Jordan.
- arab spring — The Arab Spring is a period of time in and around 2011 to 2012 during which people in the Middle East and Africa tried to achieve democratic reforms.
- arabian sea — the NW part of the Indian Ocean, between Arabia and India
- arabidopsis — Any cress (or related plant) of the genus Arabidopsis.
- arabinoside — a glycoside yielding arabinose when hydrolysed
- arabization — transfer to Arab control
- arachidonic — related to arachidonic acid or the derivatives of arachidonic acid
- arachis oil — peanut oil.
- arachnoidal — relating to the arachnoid
- araeometric — relating to araeometry
- araliaceous — of, relating to, or belonging to the Araliaceae, a chiefly tropical family of trees, shrubs, or woody climbers having small clusters of whitish or greenish flowers. The family includes the ivy and ginseng
- arbitrageur — a person who engages in arbitrage
- arbitrament — the decision or award made by an arbitrator upon a disputed matter
- arbitraries — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- arbitrarily — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- arbitrarity — The quality or state of being arbitrary.
- arbitrating — to decide as arbitrator or arbiter; determine.
- arbitration — Arbitration is the judging of a dispute between people or groups by someone who is not involved.
- arbitrative — having the power to arbitrate
- arbitrators — Plural form of arbitrator.
- arbitratrix — a female arbitrator
- arbitrement — the act of arbitrating; arbitration.
- arbor vitae — any of several Asian and North American evergreen coniferous trees of the genera Thuja and Thujopsis, esp Thuja occidentalis, having tiny scalelike leaves and egglike cones
- arborvitaes — Plural form of arborvitae.
- arboviruses — Plural form of arbovirus.
- arc welding — a technique in which metal is welded by heat generated by an electric arc struck between two electrodes or between one electrode and the metal workpiece
- archaeornis — an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx
- archaeozoic — Archeozoic
- archaically — marked by the characteristics of an earlier period; antiquated: an archaic manner; an archaic notion.
- archaicisms — Plural form of archaicism.
- archangelic — Theology. a chief or principal angel; in medieval angelology one of the nine orders of celestial attendants on God. Compare angel (def 1).