cardinal

adj. describing a number that indicates a count of a set of items, such as two dogs or three circles, but does not indicate order within the set. A child’s understanding of the concept of cardinal numbers is an area of study in developmental psychology. Compare nominal; ordinal.

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Psychology term of the day

February 23rd 2025

biperiden

n. a synthetic anticholinergic drug closely related to trihexyphenidyl but having greater affinity for nicotinic receptors than for muscarinic receptors, compared with trihexyphenidyl. It is used to manage symptoms of Parkinson’s disease and parkinsonian symptoms induced by antipsychotic drugs. U.S. trade name: Akineton.