11-letter words containing a, g, r, o, i
- approvingly — to speak or think favorably of; pronounce or consider agreeable or good; judge favorably: to approve the policies of the administration.
- aquariology — The study of the fauna and flora of aquaria.
- arab legion — a police force (1920–56) under British supervision, responsible for keeping order among desert tribesmen in Trans-Jordan.
- archegonial — relating to an archegonium
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- archeologic — (American spelling) alternative spelling of archaeologic.
- archipelago — An archipelago is a group of islands, especially small islands.
- arcticology — the scientific study of the Polar Regions.
- areographic — relating to areography
- arkeologist — Someone who studies the story of Noah's Ark, particularly by searching for physical evidence which would corroborate it.
- aromatizing — Present participle of aromatize.
- arteriogram — an X-ray of a vein or artery which has been injected with dye in order to diagnose obstruction or damage
- aspergation — the action of sprinkling, suffusing or irrigating with water
- assyriology — the study of the culture, history, and archaeological remains of ancient Assyria
- astrogation — (in science fiction) navigation in outer space.
- astrologian — (obsolete) An astrologer.
- astrologist — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- atherogenic — causing atheroma
- authorising — Present participle of authorise.
- authorizing — Present participle of authorize.
- auto racing — the sport of racing automobiles in which drivers compete against each other on a course designed for racing or on closed public roads.
- autographic — of, for, or like an autograph or autographs
- autozeroing — (electronics) A sampling technique that measures an offset from zero and later compensates by subtracting the difference.
- azido group — the univalent group N 3 −, derived from hydrazoic acid.
- azores high — a subtropical high centered near the Azores.
- bankrolling — Present participle of bankroll.
- bar-hopping — Informal. to go to a succession of bars or nightclubs, with a brief stay at each.
- bargain for — If you have not bargained for or bargained on something that happens, you did not expect it to happen and so feel surprised or worried by it.
- barographic — Measured using a barograph.
- bibliograph — to put in a bibliography.
- bikram yoga — a form of yoga in which traditional exercises are performed at high temperature and humidity
- bilge board — a board lowered from the bilge of a sailing vessel to serve as a keel.
- biographize — to write a biography of (someone)
- bioregional — relating to a bioregion
- boring clam — piddock
- boulangerie — a bakery shop, specif. one that specializes in breads, rolls, etc.
- braggadocio — vain empty boasting
- bridal gown — a wedding dress
- bridge loan — A bridge loan is money that a bank lends you for a short time, for example, so that you can buy a new house before you have sold the one you already own.
- bridgeboard — a board on both sides of a staircase that is cut to support the treads and risers
- bright coal — coal consisting of alternating layers of clarain and vitrain.
- bring about — To bring something about means to cause it to happen.
- bring along — If you bring someone or something along, you bring them with you when you come to a place.
- brobdingnag — in Swift's Gulliver's Travels, a land inhabited by giants about 60 feet tall
- browbeating — to intimidate by overbearing looks or words; bully: They browbeat him into agreeing.
- burglarious — of, constituting, or inclined to burglary
- cacogastric — relating to an upset stomach
- cacographic — Displaying the properties of bad spelling or bad handwriting or both.
- calcigerous — containing lime or other salts
- calf roping — a timed rodeo event in which a mounted rider chases and lassos a calf, dismounts, and throws the calf to the ground, tying three of the animal's legs with a short length of rope.