Find over 25,000 psychological definitions


life cycle

1. the sequence of developmental stages through which an organism passes between a specified stage of one generation (e.g., fertilization, birth) and the same stage in the next generation.

2. the series of stages that characterizes the lifespan of a group, institution, culture, or product.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

February 24th 2025

psychooncology

psychooncology

n. the study of psychological, behavioral, and psychosocial factors involved in the risk, detection, course, treatment, and outcome (in terms of survival) of cancer. The field examines responses to cancer on the part of patients, families, and caregivers at all stages of the disease. —psychooncological adj. —psychooncologist n.