10-letter words containing r, a, d, i, o
- arcimboldo — Giuseppe. 1527–93, Italian painter, best remembered for painting grotesque figures composed of fruit, vegetables, and meat
- argyrodite — a rare mineral, Ag8GeS6, that contains silver, germanium, and sulphur
- armadillos — Plural form of armadillo.
- aromatized — Simple past tense and past participle of aromatize.
- arthrodial — a joint, as in the carpal articulations, in which the surfaces glide over each other in movement.
- arthrodire — any of numerous fishes of the extinct order Arthrodira, widely distributed during the Devonian Period, having the anterior part of the body covered by a shield of bony plates.
- aryballoid — relating to an aryballos
- arytenoids — Plural form of arytenoid.
- ascaridole — a liquid, C 10 H 16 O 2 , constituting the active principle of chenopodium oil, used chiefly as a catalyst in polymerization reactions.
- asiadollar — a U.S. dollar deposited in or credited to Asian banks and used in the money markets of the region.
- aside from — Aside from means the same as apart from. This form is more usual in American English.
- asteroidal — relating to asteroids
- asteroidea — the class comprising the starfishes.
- audiograms — Plural form of audiogram.
- audiograph — a machine used to test a patient's hearing by transmitting sound waves directly to the inner ear
- audiometer — an instrument for testing the intensity and frequency range of sound that is capable of detection by the human ear
- audiometry — the testing of hearing by means of an audiometer.
- auditioner — a person who attends an audition
- auditorily — in an auditory manner, by hearing
- auditorium — An auditorium is the part of a theatre or concert hall where the audience sits.
- australoid — denoting, relating to, or belonging to a supposed racial group that includes the native Australians and certain other peoples of southern Asia and the Pacific islands.
- authorised — Alternative spelling of authorized.
- authorized — officially permitted or empowered
- autodialer — An electronic device that dials telephone numbers randomly or from a list and may also leave messages and request information.
- autowinder — a battery-operated device for advancing the film in a camera automatically after each exposure
- auxocardia — enlargement of the heart, as by hypertrophy or dilatation.
- bacon rind — the outer edge of a slice of bacon, corresponding to the skin of the pig
- bandoliers — Plural form of bandolier.
- bardacious — bodacious.
- bingo card — a prepaid postcard inserted in a magazine by its publisher to enable a reader to order free information about advertised products.
- biodegrade — to decompose (something)
- board side — the broad side of a piece of lumber.
- boat drill — practice in launching the lifeboats and taking off the passengers and crew of a ship
- bois d'arc — Osage orange (def 1).
- boisbriand — a town in S Quebec, in E Canada, near Montreal.
- bombardier — the member of a bomber aircrew responsible for aiming and releasing the bombs
- bombarding — to attack or batter with artillery fire.
- bordelaise — denoting a brown sauce flavoured with red wine and sometimes mushrooms
- bordraging — an attack or raid on a border region
- boric acid — a white soluble weakly acid crystalline solid used in the manufacture of heat-resistant glass and porcelain enamels, as a fireproofing material, and as a mild antiseptic. Formula: H3BO3
- botryoidal — (of minerals, parts of plants, etc) shaped like a bunch of grapes
- boundaries — something that indicates bounds or limits; a limiting or bounding line.
- brachiopod — any marine invertebrate animal of the phylum Brachiopoda, having a ciliated feeding organ (lophophore) and a shell consisting of dorsal and ventral valves
- brazilwood — a hard, reddish wood obtained from several tropical American trees (genera Caesalpinia and Haematoxylon) of the caesalpinia family: it yields a red or blue dye and is also used in making cabinets and violin bows
- brillo pad — a scouring pad made of wire wool filled with soap
- broadpiece — an English coin replaced by the guinea in 1663
- caddisworm — the aquatic larva of a caddis fly, which constructs a protective case around itself made of silk, sand, stones, etc
- carbolised — phenolate (def 2).
- carbolized — Simple past tense and past participle of carbolize.
- carbonised — Alternative spelling of carbonized.