| graphite | <chemical> Native carbon in hexagonal crystals, also foliated or granular massive, of black colour and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Synonym: plumbago, black lead. Origin: Gr. To write: cf. F. Graphite. Source: Websters Dictionary (01 Mar 1998) |
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| graphite battery | <physics> A voltaic battery consisting of zinc and carbon in sulphuric acid, or other exciting liquid. Source: Websters Dictionary (20 Jun 2000) |
| graphitic | Pertaining to, containing, derived from, or resembling, graphite. <chemistry> Graphitic acid, an organic acid, so called because obtained by the oxidation of graphite; usually called mellitic acid. Graphitic carbon, in iron or steel, that portion of the carbon which is present as graphite. Source: Websters Dictionary (01 Mar 1998) |
| graphitoid | Resembling graphite or plumbago. Source: Websters Dictionary (01 Mar 1998) |
| graphitoidal | Resembling graphite or plumbago. Source: Websters Dictionary (01 Mar 1998) |
| grapho- | A writing, description. Origin: G. Grapho, to write (05 Mar 2000) |
| grapholite | Any species of slate suitable to be written on. Origin: Gr. To write: cf. F. Grapholithe. Source: Websters Dictionary (01 Mar 1998) |
| graphology | <study> The art of judging of a person's character, disposition, and aptitude from his handwriting. Origin: Gr. To write: cf. F. Graphologie. Source: Websters Dictionary (01 Mar 1998) |
| graphomania | <psychiatry> Morbid and excessive impulse to write. Origin: Grapho-+ G. Mania, insanity (05 Mar 2000) |
| graphomotor | Relating to the movements used in writing. Origin: Grapho-+ L. Motus, fr. Movere, to move (05 Mar 2000) |
| graphomotor aphasia | <neurology> Loss of ability to write (a form of aphasia). Symptom common to tumours of the parietal lobe of the dominant cerebral hemisphere. (16 Dec 1997) |
| graphopathology | Interpretation of personality disorders from a study of handwriting. See: graphology. Origin: Grapho-+ pathology (05 Mar 2000) |
| graphophobia | <psychology> Morbid fear of writing. Origin: Grapho-+ G. Phobos, fear (05 Mar 2000) |
| graphorrhoea | Rarely used term for the writing of long lists of meaningless words, associated with a schizophrenic disorder. Origin: Grapho-+ G. Rhoia, flow (05 Mar 2000) |
| graphoscope | <instrument> An optical instrument for magnifying engravings, photographs, etc, usually having one large lens and two smaller ones. Origin: Gr. To write + -scope. Source: Websters Dictionary (01 Mar 1998) |