NUMBER n.
The measure of the relation between quantities or things of the same kind; that abstract species of quantity which is capable of being expressed by figures; numerical value. Abstract number, Abundant number, Cardinal number, etc. See under Abstract, Abundant, etc. -- In numbers, in numbered parts; as, a book published…
OBLIGATION n.
r, or to forbear something; external duties imposed by law, promise, or contract, by the relations of society, or by courtesy, kindness, etc. Every man has obligations which belong to his station. Duties extend beyond obligation, and direct the affections, desires, and intentions, as well as the actions. Whewell.…