| AUTOANTIBODY | • autoantibody n. An antibody formed in response to an agent (autoantigen) produced by the organism itself. • AUTOANTIBODY n. an antibody produced in reaction to an antigenic constituent of the body's own tissues.
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| AUTOMOBILING | • automobiling v. Present participle of automobile. • AUTOMOBILE v. to travel by car.
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| BIOTURBATION | • bioturbation n. (Geology) the mixing of soil or sediment by living organisms. • BIOTURBATION n. the restructuring of sedimentary deposits (as in a lake bottom or seabed) by moving organisms (as worms and burrowing clams).
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| BRONTOSAURUS | • brontosaurus n. One of the largest land animals to ever walk the earth; a Brontosaurus. • Brontosaurus prop.n. A taxonomic genus within the family Diplodocidae – certain large long-necked sauropods; formerly merged…
 • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR.
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| CONFABULATOR | • confabulator n. One who confabulates. • CONFABULATOR n. one who confabulates.
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| CONGLOBULATE | • conglobulate v. (Rare, intransitive) To collect together into a compact round mass. • CONGLOBULATE v. to form into a ball.
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| CONURBATIONS | • conurbations n. Plural of conurbation. • CONURBATION n. an aggregation or continuous network of urban communities.
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| OBFUSCATIONS | • obfuscations n. Plural of obfuscation. • OBFUSCATION n. the act of obfuscating.
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| OBJURGATIONS | • objurgations n. Plural of objurgation. • OBJURGATION n. a rebuke, a scolding.
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| OBLIQUATIONS | • OBLIQUATION n. (obsolete) obliqueness. | 
| OBNUBILATION | • obnubilation n. The action of darkening or fact of being darkened, as with a cloud; obscuration. • obnubilation n. (Medicine, specifically) Obscuration or clouding of the mind or faculties.
 • obnubilation n. (Rare, literally) A veiling with or concealment in clouds.
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| OBSCURATIONS | • obscurations n. Plural of obscuration. • OBSCURATION n. the act of obscuring.
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| OBUMBRATIONS | • obumbrations n. Plural of obumbration. • OBUMBRATION n. the act of obumbrating.
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| ROUNDABOUTED | • roundabouted v. Simple past tense and past participle of roundabout. • ROUNDABOUT v. to go round and round.
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| ROUNDABOUTLY | • roundaboutly adv. In a roundabout manner; indirectly. • ROUNDABOUT adv. circuitous.
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| SUBORDINATOR | • subordinator n. (Grammar) Any of a lexical class of words that join clauses at a subordinate syntactic level. • subordinator n. One who subordinates, or reduces the status of, another person.
 • SUBORDINATOR n. one that subordinates.
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| SUBORNATIONS | • subornations n. Plural of subornation. • SUBORNATION n. the act of suborning.
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| SUBROGATIONS | • subrogations n. Plural of subrogation. • SUBROGATION n. the act of subrogating, also SURROGATION.
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| URBANOLOGIST | • urbanologist n. A sociologist who studies the problems of living in cities and towns. • URBANOLOGIST n. one who studies towns.
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