| jargon | <chemical> A variety of zircon. See Zircon. Origin: E.jargon, It. Jiargone; perh. Fr. Pers. Zargn gold-coloured, fr. Zar gold. Cf. Zircon. Source: Websters Dictionary (01 Mar 1998) |
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| jargon aphasia | A form of aphasia characterised by an inability to construct a grammatical sentence, and the use of unintelligible or incorrect words; caused by a lesion in the dominant temporal lobe. Synonym: agrammatica, agrammatologia, jargon aphasia. (05 Mar 2000) |