| eider | <zoology> Any species of sea duck of the genus Somateria, especially. Somateria mollissima, which breeds in the northern parts of Europe and America, and lines its nest with fine down (taken from its own body) which is an article of commerce; called also eider duck. The American eider (S. Dresseri), the king eider (S. Spectabilis), and the spectacled eider (Arctonetta Fischeri) are related species. Eider down. [Cf. Icel. Aeoardun, Sw. Eiderdun, Dan. Ederduun] Down of the eider duck, much sought after as an article of luxury. Origin: Of Scand. Origin, cf. Icel aer; akin to Sw. Eider, Dan. Ederfugl. Source: Websters Dictionary (01 Mar 1998) |
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| eidetic | 1. Relating to the power of visualization of and memory for objects previously seen which reaches its height in children aged 8 to 10. 2. A person possessing this power to a high degree. Origin: G. Eidon, saw (aorist of verb) (05 Mar 2000) |
| eidetic image | Vivid mental image in the form of a dream, fantasy, or an unusual power of memory and visualization of objects previously seen or imagined. (05 Mar 2000) |
| eidetic imagery | A visual image which is recalled in accurate detail. It is a sort of projection of an image on a mental screen. (12 Dec 1998) |
| eidograph | An instrument for copying drawings on the same or a different scale; a form of the pantograph. Origin: Gr. Form + graph. Source: Websters Dictionary (01 Mar 1998) |