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.
Petrous â This adjective is derived from the Latin word for rock âpetraâ. It is applied to a part of the temporal bone that is particularly hard and rock-like. You may not have realized that the word petroleum has the same word as one of its roots.egmen is from the Latin verb tego, tegere to cover or shelter. Hence tegmen is the word for roof. Tympani is the possessive form of the Latin noun tympanum meaning a drum. So, the whole phrase just means the roof of the (ear) drum.