| idea | Any mental image or concept. Origin: G. Semblance (05 Mar 2000) |
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| idea of reference | The misinterpretation that other people's statements or acts or neutral objects in the environment are directed toward one's self when, in fact, they are not. (05 Mar 2000) |
| ideal | 1. Existing in idea or thought; conceptional; intellectual; mental; as, ideal knowledge. 2. Reaching an imaginary standard of excellence; fit for a model; faultless; as, ideal beauty. "There will always be a wide interval between practical and ideal excellence." (Rambler) 3. Existing in fancy or imagination only; visionary; unreal. "Planning ideal common wealth." 4. Teaching the doctrine of idealism; as, the ideal theory or philosophy. 5. <mathematics> Imaginary. Synonym: Intellectual, mental, visionary, fanciful, imaginary, unreal, impracticable, utopian. Origin: L. Idealis: cf. F. Ideal. Source: Websters Dictionary (01 Mar 1998) |
| ideal alveolar gas | The uniform composition of gas that would exist in all alveoli for a given total respiratory exchange if all alveoli had identical ventilation-perfusion ratios and achieved perfect equilibrium with the blood leaving the pulmonary capillaries. (05 Mar 2000) |
| idealist | 1. One who idealizes; one who forms picturesque fancies; one given to romantic expectations. 2. One who holds the doctrine of idealism. Origin: Cf. F. Idealiste. Source: Websters Dictionary (01 Mar 1998) |
| ideality | 1. The quality or state of being ideal. 2. The capacity to form ideals of beauty or perfection. 3. <psychology> The conceptive faculty. Source: Websters Dictionary (01 Mar 1998) |
| ideate | <psychology> The actual existence supposed to correspond with an idea; the correlate in real existence to the idea as a thought or existence. Origin: LL. Ideatum. See Idea. Source: Websters Dictionary (01 Mar 1998) |
| ideation | The formation of ideas or thoughts. (05 Mar 2000) |
| ideational | Relating to ideation. (05 Mar 2000) |
| ideational apraxia | Ideatory apraxia, obsolete term for the misuse of objects due to a disturbance of identification (agnosia). (05 Mar 2000) |
| permanent dominant idea | An exaggerated notion, belief, or delusion that persists, despite evidence to the contrary, and controls the mind, the obstinate conviction of a psychotic person regarding the correctness of his delusion. Synonym: idee fixe, overvalued idea, permanent dominant idea. (05 Mar 2000) |
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| compulsive idea | A fixed and repetitively recurring idea. (05 Mar 2000) |
| hyperquantivalent idea | An idea that dominates all thought and cannot easily be changed. (05 Mar 2000) |
| dominant idea | An idea that governs all one's actions and thoughts. (05 Mar 2000) |
| overvalued idea | An exaggerated notion, belief, or delusion that persists, despite evidence to the contrary, and controls the mind, the obstinate conviction of a psychotic person regarding the correctness of his delusion. Synonym: idee fixe, overvalued idea, permanent dominant idea. (05 Mar 2000) |
| fixed idea | An exaggerated notion, belief, or delusion that persists, despite evidence to the contrary, and controls the mind, the obstinate conviction of a psychotic person regarding the correctness of his delusion. Synonym: idee fixe, overvalued idea, permanent dominant idea. (05 Mar 2000) |