interaction. n. 1. a mutual or reciprocal action or influence. 2. (General Physics) physics the transfer of energy between elementary particles, between a particle and a field, or between fields.nteraction - (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons. fundamental interaction. natural philosophy, physics-the science of matter and energy and their interactions; his favorite subject was physics.
hemi, semi & demi. These ROOT-WORDS are Prefixes HEMI, DEMI & SEMI meaning HALF. However, there is a difference in the interpretation which each one has of the word. When we say HEMIsphere we donât really mean half of the sphere, we mean one side, right side or left side. When we say DEMI we mean less or not quite, as DEMImillionaire.
The Latin root word tract means âdragâ or âpull.â This root word gives rise to many English vocabulary words, including at tract ion, sub tract, and con tract.Perhaps the easiest way to remember this root word is through the English word tract or, for a tract orâs main function is to âdragâ or âpullâ heavy equipment. hope that you feel youâve gained some tract ion by learning that tract means âdragâ or âpull.â Now you will be able to easily ex tract meaning from English vocabulary words containing the root word tract 1  ! tractor: machine which âdragsâ.