interaction
1. The reciprocal action between two entities in a common environment as in chemical i., ecological i., social i., etc. 2. The effects when two entities concur that would not be observed with either in isolation. 3. In statistics, pharmacology, and quantitative genetics, the phenomenon that the combined effects of two causes differ from the sum of the effects separately (as in synergism and antagonism). 4. Independent operation of two or more causes to produce or prevent an effect. 5. In statistics, the necessity for a product term in a linear model. 6. The transfer of energy between elementary particles or between fields of energy.
- apolar i. SYN: hydrophobic i..
- hydrophobic i. i. between uncharged substituents on different molecules without a sharing of electrons or protons; entropy-driven i.. SYN: apolar i..

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in·ter·ac·tion .int-ə-'rak-shən n mutual or reciprocal action or influence <\interaction of the heart and lungs>
in·ter·ac·tion·al -shnəl, -shən-əl adj

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in·ter·ac·tion (in″tər-akґshən) the quality, state, or process of (two or more things) acting on each other.

Medical dictionary. 2011.

Look at other dictionaries:

  • interaction — [ ɛ̃tɛraksjɔ̃ ] n. f. • 1876; de inter et action ♦ Action réciproque. ⇒ interdépendance. Interaction sociale. ♢ Phys. Deux corps en interaction. ⇒ 1. action, réaction. Interactions de gravitation, électromagnétiques, nucléaires. Interaction forte …   Encyclopédie Universelle

  • interaction — UK US /ˌɪntərˈækʃən/ noun [C or U] ► a situation where two or more people or things communicate with each other or react to each another: interaction between sb and sb »There s not enough interaction between the management and the workers.… …   Financial and business terms

  • Interaction — In ter*ac tion, n. 1. Intermediate action. [1913 Webster] 2. Mutual or reciprocal action or influence; as, the interaction of the heart and lungs on each other. [1913 Webster] 3. Hence: (Physics) The effect, such as exertion of a force, that one… …   The Collaborative International Dictionary of English

  • interaction — social interaction statistical …   Dictionary of sociology

  • interaction — index course Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • interaction — 1812, from INTER (Cf. inter ) + ACTION (Cf. action) …   Etymology dictionary

  • interaction — [in΄tərak′shən] n. action on each other; reciprocal action or effect interactional adj …   English World dictionary

  • Interaction — For other uses, see Interaction (disambiguation). Interaction is a kind of action that occurs as two or more objects have an effect upon one another. The idea of a two way effect is essential in the concept of interaction, as opposed to a one way …   Wikipedia

  • Interaction — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Interaction », sur le Wiktionnaire (dictionnaire universel) Une interaction, dans le langage courant,… …   Wikipédia en Français

  • interaction */*/ — UK [ˌɪntərˈækʃ(ə)n] / US [ˌɪntərˈækʃən] noun [countable/uncountable] Word forms interaction : singular interaction plural interactions 1) the activity of being with and talking to other people, and the way that people react to each other… …   English dictionary

  • interaction — noun ADJECTIVE ▪ complex ▪ direct ▪ strong ▪ informal ▪ social ▪ physical …   Collocations dictionary

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