11-letter words containing a, d, s, o
- allantoides — Plural form of allantois.
- almoravides — a member of a Muslim dynasty ruling in Spain and northern Africa from 1056 to 1147.
- ambassadors — a novel (1903) by Henry James.
- amino acids — any of a class of organic compounds that contains at least one amino group, –NH 2 , and one carboxyl group, –COOH: the alpha-amino acids, RCH(NH 2)COOH, are the building blocks from which proteins are constructed.
- amphipodous — (of certain invertebrates, such as sand hoppers) having both swimming and jumping appendages
- amyloidosis — the deposition of amyloid in various tissues of the body, as occurs in certain chronic infections
- anadiploses — Plural form of anadiplosis.
- anadiplosis — repetition of the words or phrase at the end of one sentence, line, or clause at the beginning of the next
- anastomosed — Simple past tense and past participle of anastomose.
- androgenise — Non-Oxford British standard spelling of androgenize.
- androgenous — producing only male offspring
- androgynous — In biology, an androgynous person, animal, or plant has both male and female sexual characteristics.
- androsphinx — a sphinx having the head of a man
- anisodactyl — (of the feet of passerine birds) having the first toe directed backwards and the other three toes directed forwards
- antagonised — Simple past tense and past participle of antagonise.
- anthropoids — Plural form of anthropoid.
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- apostatized — Simple past tense and past participle of apostatize.
- apostlebird — an omnivorous bird, Struthidea cinerea, of eastern Australia, that has chiefly dark gray-brown plumage with white tail markings and is noted for its habit of traveling in groups of about 12 related individuals.
- arabidopsis — Any cress (or related plant) of the genus Arabidopsis.
- arabinoside — a glycoside yielding arabinose when hydrolysed
- archdeacons — Plural form of archdeacon.
- archdiocese — An archdiocese is the area over which an archbishop has control.
- arduousness — requiring great exertion; laborious; difficult: an arduous undertaking.
- armageddons — Plural form of armageddon.
- aron kodesh — Holy Ark.
- arse around — If you say that someone is arsing around or arsing about, you mean that they are behaving in a silly, irritating way instead of getting something done.
- arthrodesis — the fusion of bones in a joint through surgery which causes immobility of the joint
- assiduously — constant; unremitting: assiduous reading.
- asteroidean — an echinoderm of the class Asteroidea, comprising the starfishes.
- astoundment — the state of being astounded
- astral body — Astronomy. a star, planet, comet, or other heavenly body.
- atmosphered — having an intellectual or psychological climate or feeling
- audaciously — extremely bold or daring; recklessly brave; fearless: an audacious explorer.
- audiologist — the study of hearing disorders, including evaluation of hearing function and rehabilitation of patients with hearing impairments.
- audiometers — Plural form of audiometer.
- audiophiles — Plural form of audiophile.
- audiotypist — a typist trained to type from a dictating machine
- audiovisual — Audio-visual equipment and materials involve both recorded sound and pictures.
- auditionees — a person who competes or takes part in an audition.
- auditoriums — Plural form of auditorium.
- auditorship — the position or function of auditor
- autodialers — Plural form of autodialer.
- autodidacts — Plural form of autodidact.
- autostradas — Plural form of autostrada.
- autowinders — Plural form of autowinder.
- avoirdupois — a system of weights used in many English-speaking countries. It is based on the pound, which contains 16 ounces or 7000 grains. 100 pounds (US) or 112 pounds (Brit) is equal to 1 hundredweight and 20 hundredweights equals 1 ton
- backcrossed — Simple past tense and past participle of backcross.
- backgrounds — Plural form of background.
- backside-to — backend-to.