12-letter words containing s, a, d, o
- androscoggin — a river flowing from NE New Hampshire through SW Maine into the Kennebec River. 171 miles (275 km) long.
- androsterone — an androgenic steroid hormone produced in the testes. Formula: C19H30O2
- anecdotalism — an inclination to relate anecdotes
- anthologised — Simple past tense and past participle of anthologise.
- anticathodes — Plural form of anticathode.
- antioxidants — Plural form of antioxidant.
- aphrodisiacs — Plural form of aphrodisiac.
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apotheosized — Simple past tense and past participle of apotheosize.
- archdiocesan — Relating to an archdiocese.
- archdioceses — Plural form of archdiocese.
- arfvedsonite — a type of hornblende with the composition Na3(Fe,Mg)4FeSi8O22(OH)2
- armed forces — The armed forces or the armed services of a country are its military forces, usually the army, navy, marines, and air force.
- artiodactyls — Plural form of artiodactyl.
- aschoff body — any of the spindleshaped nodules found in heart tissue and associated with the myocarditis of rheumatic fever.
- ash-coloured — silver-grey in colour
- assortedness — the position of being sorted, grouped or harmonized with, well or badly, or provided with a good or bad assortment or mixture
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- astoundingly — capable of overwhelming with amazement; stunningly surprising.
- astrodynamic — Pertaining to astrodynamics.
- attitudinous — (informal) Having a bold and possibly unfriendly attitude; sassy.
- audio system — integrated equipment for producing amplified sound, as in a hi-fi or a mobile disco, or as a public-address system on stage
- audio-visual — Audio-visual equipment and materials involve both recorded sound and pictures.
- audiologists — Plural form of audiologist.
- audiovisuals — Plural form of audiovisual.
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autodiallers — Plural form of autodialler.
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- backswordman — a person who uses a backsword.
- backwoodsman — Backwoodsmen are people, especially politicians, who like the old ways of doing things, or who are involved in an organization at a local level.
- backwoodsmen — Plural form of backwoodsman.
- bad scran to — bad luck to
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- barbados nut — an ornamental, tropical American tree, Jatropha curcas, of the spurge family, having ivylike leaves, small, yellow or greenish-yellow flowers, and olive-shaped fruit yielding a purgative, poisonous oil.
- bardolatrous — relating to or characterized by bardolatry
- barodynamics — the branch of mechanics concerned with heavy structures
- basidiocarps — Plural form of basidiocarp.
- basidiospore — one of the spores, usually four in number, produced in a basidium
- basset hound — A basset hound is a dog with short strong legs, a long body, and long ears. It is kept as a pet or used for hunting.
- bastardsword — Alternative spelling of bastard sword.
- bastinadoing — Present participle of bastinado.
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- beardtongues — Plural form of beardtongue.
- bed of nails — a situation or position of extreme difficulty
- biohazardous — a pathogen, especially one used in or produced by biological research.
- block island — an island off the coast of and a part of Rhode Island, at the E entrance to Long Island Sound.
- blood plasma — the pale yellow fluid portion of the blood; blood from which red and white blood cells and platelets have been removed
- blood sample — an amount of a person's blood taken from their body for use in medical tests
- blood spavin — a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin) bony growth (bone spavin) or distention of the veins (blood spavin)