11-letter words containing o, r, i
- actinometry — The measurement of the heating power of electromagnetic radiation, especially that of solar radiation.
- action hero — the hero in an action film
- action verb — a verb, as run, think, or soothe, that expresses something that a person, animal, object, or process in nature can do, as in Close the door! or The storm is flooding many houses along the coast, rather than expressing a state of being. Compare copula (def 2), stative.
- adhocracies — Plural form of adhocracy.
- adiaphorism — a Christian Protestant theological theory that certain rites and actions are matters of indifference in religion since not forbidden by the Scriptures
- adiaphorous — morally neutral or indifferent
- adipocerite — hatchettite.
- adipocerous — Like adipocere.
- adjudicator — a judge, esp in a competition
- admirations — Plural form of admiration.
- adorability — the quality of being adorable or highly attractive
- adscription — ascription
- adumbration — to produce a faint image or resemblance of; to outline or sketch.
- advertorial — An advertorial is an advertisement that uses the style of newspaper or magazine articles or television documentary programmes, so that it appears to be giving facts and not trying to sell a product.
- aeciospores — Plural form of aeciospore.
- aelurophile — ailurophile.
- aeolotropic — anisotropic
- aerial root — a root that grows from the stem of a plant, above ground or above water
- aero engine — an engine for powering an aircraft
- aero-optics — the study of the effect of aircraft-induced and atmospheric disturbances on the efficiency of laser weapons
- aerobically — in an aerobic manner
- aerobiology — the study of airborne organisms, spores, etc
- aerobraking — the use of aerodynamic braking in extremely low-density atmospheres in space at hypersonic Mach numbers
- aerodonetic — Relating to aerodonetics.
- aerodromics — (obsolete) The science of flying airplanes.
- aerodynamic — If something such as a car has an aerodynamic shape or design, it goes faster and uses less fuel than other cars because the air passes over it more easily.
- aeroelastic — capable of changing shape under aerodynamic forces
- aerokinesis — An ability to control the movement of air.
- aeromedical — relating to the medical treatment of disorders associated with air or space travel
- aeronautics — Aeronautics is the science of designing and building aeroplanes.
- aerosolised — Simple past tense and past participle of aerosolise.
- aerosolized — Simple past tense and past participle of aerosolize.
- aerostatics — the study of gases in equilibrium and bodies held in equilibrium in gases
- aerostation — the science of operating lighter-than-air craft
- aerotropism — the growth of plants towards or away from a source of oxygen
- affirmation — the act of affirming or the state of being affirmed
- affirmatory — showing or giving confirmation, ratification, or assertion
- afforesting — Present participle of afforest.
- affrication — the changing of (a consonantal speech sound) to an affricate
- afroasiatic — designating or of a family of African and Asian languages generally divided into the branches Berber, Cushitic, Semitic, Chadic, and ancient Egyptian
- afrocentric — centered on, emphasizing, or showing the influence of African or, sometimes, African-American history and culture
- aggradation — to raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like.
- aggravation — the act of aggravating, or making worse, or the condition of being aggravated
- aggregation — the act or process of aggregating
- aggressions — the action of a state in violating by force the rights of another state, particularly its territorial rights; an unprovoked offensive, attack, invasion, or the like: The army is prepared to stop any foreign aggression.
- aggrupation — (Philippines) A group, an organization.
- agoraphobia — an abnormal fear of being in open or public places
- agoraphobic — Someone who is agoraphobic suffers from agoraphobia.
- agranulosis — (rare) agranulocytosis.
- agriproduct — a product that is a result of agribusiness