অর্থ : The phenomenon of forming chemical bonds.
অর্থ : (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate.
সমার্থক : valence
অর্থ : (chemistry) a property of atoms or radicals. Their combining power given in terms of the number of hydrogen atoms (or the equivalent).
সমার্থক : valence
Valency meaning in Bengali (Bangla).