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extensor

n. a muscle whose contraction extends a part of the body; for example, the triceps muscle group extends, or straightens, the arm. Compare flexor.

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Psychology term of the day

November 6th 2024

D.A.R.E.

D.A.R.E.

acronym for Drug Abuse Resistance Education: a program through which police officers teach kindergarten through 12th grade students how to say no to drugs, including how to defend against peer pressure to use drugs.