9-letter words containing n, a, d, r
- andorra-i — (language) A parallel logic programming language with the OR-parallelism of Aurora and the AND-parallelism of Parlog.
- andradite — a yellow, green, or brownish-black garnet that consists of calcium iron silicate and is used as a gemstone. Formula: Ca3Fe2(SiO4)3
- andragogy — the methods or techniques used to teach adults: Many educators believe that the principles of andragogy, as advanced by Malcolm Knowles, have great relevance to adult education; others are not so certain.
- androcles — (in Roman legend) a slave whose life was spared in the arena by a lion from whose paw he had once extracted a thorn
- androgens — Plural form of androgen.
- androgeus — a son of Minos and Pasiphaë who fell victim to Athenian King Aegeus: in revenge, Minos waged war on the Athenians and forced them to send a tribute of seven maidens and seven youths to the Minotaur every nine years.
- androgyne — an androgynous plant or animal
- androgyny — Androgyny is the state of being neither distinctly masculine nor distinctly feminine.
- androides — Dated form of android.
- andrology — the branch of medicine concerned with diseases in men, esp of the reproductive organs
- andromeda — the daughter of Cassiopeia and wife of Perseus, who saved her from a sea monster
- androsace — any plant of the genus Androsace, of the primrose family, having basal leaves and white or reddish flowers.
- anhungred — very hungry
- anhydrase — an enzyme that catalyses the removal of water
- anhydrate — (organic chemistry) An acid anhydride.
- anhydride — a compound that has been formed from another compound by dehydration
- anhydrite — a colourless or greyish-white mineral, found in sedimentary rocks. It is used in the manufacture of cement, fertilizers, and chemicals. Composition: anhydrous calcium sulphate. Formula: CaSO4. Crystal structure: orthorhombic
- anhydrous — containing no water, esp no water of crystallization
- anode ray — a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube.
- antegrade — Moving or directed forward.
- anthropod — Misspelling of arthropod.
- anti-drug — opposing or restricting the use of narcotics or other drugs of abuse: to enact stricter antidrug laws.
- antidoron — consecrated bread
- antidraft — opposed to compulsory military service or conscription
- antifraud — acting against fraud
- antiradar — (of a missile or other weapon) designed to destroy radar detection equipment
- antitrade — a wind in the upper atmosphere blowing in the opposite direction from and above the trade winds
- antiworld — a hypothetical or supposed world or universe composed of antimatter
- apeldoorn — a town in the Netherlands, in central Gelderland province: nearby is the summer residence of the Dutch royal family. Pop: 156 000 (2003 est)
- apprehend — If the police apprehend someone, they catch them and arrest them.
- arachnids — Plural form of arachnid.
- arachnoid — the middle of the three membranes that cover the brain and spinal cord
- araneidan — related to or belonging to the araneid
- archfiend — a chief fiend
- arcsecond — unit used in astronomy
- arid zone — either of the zones of latitude 15–30° N and S characterized by very low rainfall and desert or semidesert terrain
- arnoldson — Klas Pontus [klahs pawn-tuh s] /klɑs ˈpɔn təs/ (Show IPA), 1844–1916, Swedish author and politician: Nobel Peace Prize 1908.
- arraigned — to call or bring before a court to answer to an indictment.
- arsenides — Plural form of arsenide.
- arytenoid — denoting either of two small cartilages of the larynx that are attached to the vocal cords
- ascenders — Plural form of ascender.
- ascendeur — a metal grip that is threaded on a rope and can be alternately tightened and slackened as an aid to climbing the rope: used attached to slings for the feet and waist
- astringed — to compress; bind together; constrict.
- at random — If you choose people or things at random, you do not use any particular method, so they all have an equal chance of being chosen.
- attainder — (formerly) the extinction of a person's civil rights resulting from a sentence of death or outlawry on conviction for treason or felony
- attenders — Plural form of attender.
- aurobindo — Sri (Sri Aurobindo Ghose) 1872–1950, Indian scholar and spiritual leader.
- auslander — (in a German-speaking country) a foreigner
- backround — Misspelling of background.
- badgering — any of various burrowing, carnivorous mammals of the family Mustelidae, as Taxidea taxus, of North America, and Meles meles, of Europe and Asia.