
An addition reaction, in organic chemistry, is in its simplest terms an organic reaction where two or more molecules combine to form a larger one. Addition reactions are limited to chemical compounds that have multiple bonds, such as molecules with carbon-carbon double bonds (alkenes), or with triple bonds (alkynes). Molecules containing carbon—...
Found on
http://en.wikipedia.org/wiki/Addition_reaction

any of a class of chemical reactions in which an atom or group of atoms is added to a molecule.[5 related articles]
Found on
http://www.britannica.com/eb/a-z/a/17

A chemical reaction of two or more reacting molecular entities, resulting in a single reaction product containing all atoms of all components, with formation of two chemical bonds and a net reduction in bond multiplicity in at least one of the reactants. The reverse process is called an elimination reaction. The addition may occur at only one site ...
Found on
http://www.chem.qmul.ac.uk/iupac/gtpoc/A.html

A reaction in which two atoms or groups of atoms are added to a molecule, one on each side of a double or triple bond
Found on
http://www.chemistry-dictionary.com/definition/addition+reaction.php

A type of chemical reaction in which two substances combine to form a third substance, with no other substance being produced. Addition reactions occur mainly in organic chemistry, particularly in situations where a simple molecule is added across a carbon-carbon double bond in an unsaturated compou...
Found on
http://www.daviddarling.info/encyclopedia/A/addition_reaction.html

A reaction in which two atoms or groups of atoms are added to a molecule, one on each side of a double or triple bond. Types of addition reaction include electrophilic, nucleophilic (polar) and free radical addition (non-polar).
Found on
http://www.encyclo.co.uk/local/20728

<chemistry> Any reaction in which two chemicals combine to form a single chemical. ... (15 Jan 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

In chemistry, addition reaction is a reaction in which a reagent adds to a carbon-carbon double or triple bond.
Found on
http://www.probertencyclopaedia.com/browse/GA.HTM

[
n] - a chemical reaction in which one molecule is added to another
Found on
http://www.webdictionary.co.uk/definition.php?query=addition%20reaction

A chemical reaction in which two atoms or groups of atoms are added across a double bond.
Found on
https://www.encyclo.co.uk/local/20687
noun a chemical reaction in which one molecule is added to another
Found on
https://www.encyclo.co.uk/local/20974

Chemical reaction in which the atoms of an element or compound react with a double bond or triple bond in an organic compound by opening up one of the bonds and becoming attached to it, for example: CH
2CH
2 + HCl ® CH
3CH
2Cl Another example is the...
Found on
https://www.encyclo.co.uk/local/21221

a reaction in which part of a compound is added to one end of a double or triple bond, while the rest adds to the other end, converting it, respectively, to a single or double bond.
Found on
https://www.infoplease.com/dictionary/addition-reaction
No exact match found.