amenorrhea

n. the absence of menstruation. When menstruation fails to begin after puberty, the condition is called primary amenorrhea. If menstrual periods stop, in the absence of pregnancy or menopause, the condition is known as secondary amenorrhea. Changes in physical or mental health can be a causal factor.

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Psychology term of the day

November 21st 2024

CAT

1. abbreviation for California Achievement Tests.

2. abbreviation for Children’s Apperception Test.

3. abbreviation for the British version of the Cognitive Abilities Test.

4. abbreviation for computer adaptive testing.

5. acronym for computerized axial tomography (see computed tomography).