A compound is a substance made up of a definite proportion of two or more elements. A chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound, as well as how many there are for each element in the form of subscripts.
Overabundant definition, an excessive amount or abundance; surfeit: an overabundance of sugar in the diet. See more.
Wiktionary(0.00 / 0 votes)Rate this definition: overvoltage(Noun) The difference between the electric potential of an electrode or cell under the passage of a current and the thermodynamic value of the electrode or cell potential in the absence of electrolysis; overpotential.