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catalyst

n. a substance that increases the rate of a chemical reaction without itself being used up. An enzyme is an organic catalyst.

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Psychology term of the day

March 16th 2025

child care worker

child care worker

an individual trained to attend to children on a day-to-day basis in a variety of group settings, including child care centers, schools, businesses, private households, and health care institutions. Child care workers perform such tasks as dressing, feeding, bathing, and overseeing play.