8-letter words containing o, r
- adsorbed — Simple past tense and past participle of adsorb.
- adsorber — something which adsorbs
- adulator — to show excessive admiration or devotion to; flatter or admire servilely.
- advisors — Plural form of advisor.
- advisory — An advisory group regularly gives suggestions and help to people or organizations, especially about a particular subject or area of activity.
- advoutry — adultery
- aegrotat — (in British and certain other universities, and, sometimes, schools) a certificate allowing a candidate to pass an examination although he has missed all or part of it through illness
- aequorin — a protein obtained from marine organisms that emits blue light in the presence of calcium ions and is used to detect these ions in living tissue
- aeration — Aeration is the application of upward-flowing air to a layer of particles.
- aerators — Plural form of aerator.
- aeriform — having the form of air; gaseous
- aerobics — Aerobics is a form of exercise which increases the amount of oxygen in your blood, and strengthens your heart and lungs. The verb that follows aerobics may be either singular or plural.
- aerobium — an aerobe
- aerobomb — a bomb dropped from an aircraft
- aerodart — a steel arrow dropped from an aircraft as a weapon
- aeroduct — an air duct
- aerodyne — any heavier-than-air machine, such as an aircraft, that derives the greater part of its lift from aerodynamic forces
- aerofoil — a cross section of an aileron, wing, tailplane, or rotor blade
- aerogram — an airmail letter written on a single sheet of lightweight paper that folds and is sealed to form an envelope
- aerolite — a stony meteorite consisting of silicate minerals
- aerolith — a meteorite consisting mainly of stony matter.
- aerology — the study of the atmosphere, particularly its upper layers
- aeronaut — a person who flies in a lighter-than-air craft, esp the pilot or navigator
- aeronomy — the science of the earth's upper atmosphere
- aerosols — Plural form of aerosol.
- aerostat — a lighter-than-air craft, such as a balloon
- aerotone — a bath which incorporates massaging air jets
- afforded — to be able to do, manage, or bear without serious consequence or adverse effect: The country can't afford another drought.
- afforest — to plant trees on; convert into forested land
- affronté — facing
- affronts — Plural form of affront.
- afro-pop — African pop music played on electric instruments and inspired by Western pop or soul music.
- agitator — If you describe someone involved in politics as an agitator, you disapprove of them because of the trouble they cause in organizing campaigns and protests.
- agitprop — Agitprop is the use of artistic forms such as drama or posters to further political aims.
- agraphon — saying of Jesus not in Gospels
- agricola — Gnaeus Julius (ˈniːəs ˈdʒuːlɪəs) 40–93 ad, Roman general; governor of Britain who advanced Roman rule north to the Firth of Forth
- agrimony — any of various N temperate rosaceous plants of the genus Agrimonia, which have compound leaves, long spikes of small yellow flowers, and bristly burlike fruits
- agrinion — a city in W Greece.
- agrology — the scientific study of soils and their potential productivity
- agronomy — the science of cultivation of land, soil management, and crop production
- ailerons — Plural form of aileron.
- air cock — a small tap or valve for controlling the entrance or escape of air from a pipe, chamber, etc.
- air drop — An air drop is a delivery of supplies by aircraft to an area that is hard to get to. The supplies are dropped from the aircraft on parachutes.
- air hole — a hole that allows the passage of air, esp for ventilation
- air horn — a horn activated by compressed air.
- air lock — an airtight compartment, with adjustable air pressure, between places that do not have the same air pressure, as between the working compartment of a caisson and the outside
- air plot — Aeronautics. the calculation of the ground position of an aircraft by first determining its air position from its speed in the air and heading information, and then correcting for wind effects.
- air shot — a shot that misses the ball completely but counts as a stroke
- air wood — timber dried naturally by contact with the open air.
- air-cool — to cool (an engine) by a flow of air