theory of forms

the doctrine of Plato that all things have a real, permanent existence as ideas or forms independent of one’s senses and of the impoverished examples that one can perceive. Also called theory of ideas. See analogy of the cave; Platonic idealism; reminiscence theory of knowledge.

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Psychology term of the day

November 16th 2024

cardiopulmonary bypass machine

a mechanical device that carries out the functions of the heart and lungs for short periods during surgery involving these organs. The machine collects blood from the veins before it reaches the heart and circulates it through a plastic chamber in which it is freshly oxygenated before being pumped back into the patient’s arteries.