Dictionary > Valence

Valence

Definition
noun, plural: valences
(biology, immunology) The relative capability of a substance (e.g. antibody) to act upon, react, or bind with a biological substrate (e.g. antigen); the number of antigen binding sites that an antibody has, or the number of antigenic determinants an antigen has.
(biochemistry ) The number of binding sites on a molecule.
(chemistry) A property of atom or radical that indicates its combining power, especially in terms of the number of hydrogen atoms.
Supplement
Word origin: Latin valentia (strength)
Related forms: valent (noun or adjective)
Synonym: valency
Related terms:

  • polyvalence

You will also like...

Hormone Production
Hormone Production

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

Genetics – Lesson Outline & Worksheets
Genetics – Lesson Outline & Worksheets

  Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..

Non-Mendelian Inheritance
Non-Mendelian Inheritance

In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..

Birth Control and Contraception
Birth Control and Contraception

Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..

Salmon jumping upstream in the river
Lotic Communities & Animals

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

Gibberellins and Gibberellic Acid
Gibberellins and Gibberellic Acid

This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..