| ANARTHROUSNESS | • anarthrousness n. The state or quality of being anarthrous. • ANARTHROUSNESS n. the state of being anarthrous.
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| AUTHORITARIANS | • authoritarians n. Plural of authoritarian. • AUTHORITARIAN n. one who favours blind submission to authority.
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| AUTOBIOGRAPHER | • autobiographer n. One who writes his or her own life or biography. • AUTOBIOGRAPHER n. one who writes autobiographies.
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| AUTORADIOGRAPH | • autoradiograph n. (Photography) A photograph image produced by placing a film in contact with a specimen containing (or… • autoradiograph v. (Transitive) To subject to autoradiography.
 • AUTORADIOGRAPH n. an autoradiographic record, also RADIOAUTOGRAPH.
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| DAUGHTERBOARDS | • daughterboards n. Plural of daughterboard. • DAUGHTERBOARD n. a small circuit board that can be attached to the motherboard of a computer.
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| EXTRAVEHICULAR | • extravehicular adj. Relating to, on happening in, the space outside a vehicle, especially a spacecraft in space. • extra-vehicular adj. Alternative spelling of extravehicular.
 • EXTRAVEHICULAR adj. taking place outside a vehicle (as a spacecraft).
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| GRANDDAUGHTERS | • granddaughters n. Plural of granddaughter. • GRANDDAUGHTER n. the daughter of one's son or daughter.
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| HEADQUARTERING | • headquartering v. Present participle of headquarter. • HEADQUARTER v. to make one's headquarters.
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| MULTICHARACTER | • multicharacter adj. (Art) Involving or performing multiple characters. • multicharacter adj. (Computing) Consisting of more than one character (unit of text).
 • MULTICHARACTER adj. having many characters.
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| PARANTHROPUSES | • PARANTHROPUS n. an Olduvai anthropoid ape. | 
| RADIOAUTOGRAPH | • radioautograph n. Autoradiograph. • RADIOAUTOGRAPH n. an autoradiographic record, also AUTORADIOGRAPH.
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| ULTRAHAZARDOUS | • ultrahazardous adj. Extremely hazardous. • ULTRAHAZARDOUS adj. extremely hazardous.
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| ULTRAMARATHONS | • ultramarathons n. Plural of ultramarathon. • ULTRAMARATHON n. a footrace longer than a marathon.
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| URANOGRAPHISTS | • URANOGRAPHIST n. one who practises uranography, descriptive astronomy and mapping. |