interaction


in·ter·ac·tion

noun \ˌin-tər-ˈak-shən\

Definition of INTERACTION

:  mutual or reciprocal action or influence
in·ter·ac·tion·al \-shnəl, -shə-nəl\ adjective

Examples of INTERACTION

  1. <she guessed from the friendly interaction that they were close to the other parents in the organization>

First Known Use of INTERACTION

1832

in·ter·ac·tion

noun \ˌint-ə-ˈrak-shən\   (Medical Dictionary)

Medical Definition of INTERACTION

: mutual or reciprocal action or influence <interaction of the heart and lungs>
in·ter·ac·tion·al \-shnəl, -shən-əl\ adjective

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