re|ac|tion

re|ac|tion: re|ac|tion «ree AK shuhn», noun.

1. a) an action in response to some influence or force: »Our reaction to a joke is to laugh. The doctor observed carefully his patient's reactions to the tests.
b) the response of the body to a test for immunization or the like: »A more general distinction depends on the extent of reaction shown by antiserum prepared against one strain of the virus (A. W. Haslett).
c) the response of a nerve, muscle, or organ to a stimulus: »They were designed to elucidate the reaction of the human body to the various stresses (E. F. Roots).
d) Informal. a response, such as to an idea or plan; attitude; feeling; opinion: »What was his reaction to the plan?

2. an action in the opposite direction: »Fever is a common reaction from a chill.

3. a) a chemical action of two substances on each other which results in the formation of one or more additional substances. The reaction between nitrogen and hydrogen produces ammonia. »Putting an acid and a metal together causes a reaction.
b) the change resulting from such chemical action: »... whether reaction occurs may depend on the timing of internal vibration of each of the molecules (K. D. Wadsworth).

4. a process in which the nucleus of an atom becomes transformed, as in the disintegration of radioactive substances; nuclear reaction: »Reactions of the general type in which one of the two deuteron particles enters the hit nucleus and the other continues on its way (A. W. Haslett).

5. a political tendency toward a previous, usually more conservative, state of affairs.

6. a drop in prices following a rise in prices, as on a stock market.

7. an equal and opposite force which a body exerts against a force that acts upon it: »... in no case is it of importance which of the equal and opposite forces is considered the action and which the reaction (Shortley and Williams).

–re|ac´tion|less, adjective.

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-tion — ⇒ TION, SION, suff. Suff. issu du lat. tionem, entrant dans la constr. de nombreux subst. fém. qui expriment une action ou le résultat de cette action. Rem. D apr. DUB. Dér. 1962, p. 31, la forme fondamentale du suff. est tion avec les var. sion … Encyclopédie Universelle
-tion — [shən] [< Fr, OFr, or L: Fr tion < OFr cion < L tio (gen. tionis) < t of pp. stem + io (gen. ionis), suffix] suffix forming nouns 1. the act of ing 2. the state of being ed 3. the thing that is ed … English World dictionary
Tion Meddon — es un personaje de la serie de películas de Star Wars. Alienigena de gran poderío político, miembro de la aristocracia del planeta Utapau. Meddon era de la especie de los Utapauians, unos seres de alta contextura con una piel grisacea y corrugada … Enciclopedia Universal
tion — [ ʃn ] suffix used with verbs to make nouns: decoration (=something used for decorating or the process of decorating) … Usage of the words and phrases in modern English
-tion — Suffix zur Bildung von Abstrakta std. ( ) Entlehnung. Zurückgehend auf l. tio ( tionis), die Form io nur durch falsche Ablösung. lateinisch l … Etymologisches Wörterbuch der deutschen sprache
-tion — syllable formed when the suffix ION (Cf. ion) (from L. io) is fixed to a base or to another suffix ending in t or te … Etymology dictionary
tion — ab·bre·vi·a·tion; ab·di·ca·tion; ab·duc·tion; ab·er·ra·tion; ab·er·ra·tion·al; ab·jec·tion; ab·junc·tion; ab·ju·ra·tion; ab·lac·ta·tion; ab·la·tion; ab·lu·tion; ab·mi·gra·tion; ab·ne·ga·tion; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom;… … English syllables
-tion — suffix forming nouns of action, condition, etc. (see ION, ATION, ITION, UTION). Etymology: from or after F tion or L tio tionis * * * a suffix occurring in words of Latin origin, used to form abstract nouns from verbs or stems not identical with… … Useful english dictionary
Tion Medon — Este artículo o sección necesita referencias que aparezcan en una publicación acreditada, como revistas especializadas, monografías, prensa diaria o páginas de Internet fidedignas. Puedes añadirlas así o avisar … Wikipedia Español
-tion — ion ist ein häufiges Suffix beim Substantiv, das der Wortbildung dient. Inhaltsverzeichnis 1 Herkunft aus dem Lateinischen 1.1 Betonung 2 Herkunft aus dem Griechischen 3 Weblinks … Deutsch Wikipedia
-tion — a composite suffix used to form abstract nouns consisting of the final consonant of participial and other stems, plus ion, used to express an action (revolution, commendation), or a state (contrition, volition), or associated meanings (relation,… …

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