| Venn diagram | Pictorial representation of the extent to which two or more quantities or concepts are mutually inclusive and exclusive. (05 Mar 2000) |
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| diagram | 1. <geometry> A figure or drawing made to illustrate a statement, or facilitate a demonstration; a plan. 2. Any simple drawing made for mathematical or scientific purposes, or to assist a verbal explanation which refers to it; a mechanical drawing, as distinguished from an artistical one. Indicator diagram. <engineering> See Indicator card, under indicator Origin: Gr, fr. To mark out by lines; through + to draw, write: cf. F. Diagramme. See Graphic. Source: Websters Dictionary (01 Mar 1998) |
| Dieuaide diagram | The figure resulting from rearranging the lines of derivation of the three standard limb leads of the electrocardiogram (as represented in Einthoven's triangle) so that, instead of forming the sides of an equilateral triangle, they bisect one another. Synonym: Dieuaide diagram. (05 Mar 2000) |