nf. addition, summation; adjunction; admixture; apposition

(n.) = addition ; summation ; supplementation ; accretion ; infusion ; adding.
Ex: A scheme should allow expansion, to permit the additions of new subjects or more specific subdivision of existing subjects.
Ex: The summation of human experience is being expanded at a prodigious rate, and the means we use for threading through the consequent maze to the momentarily important item is the same as was used in the days of square-rigged ships.
Ex: Even with such a limitation and many later supplementations by various hands, by way of addition, correction and amplification, it falls far short of completeness.
Ex: The introduction of computer filing has made us examine every aspect of the process, to stop doing things out of habit, to retain those principles which are logical and comprehensible and to discard those which are simply the accretions of the years.
Ex: The infusion of computers and data bases into the law office and the tremendous increase in published legal materials have given rise to the need for the law librarian.
Ex: This can range from simple adding of columns to automatic recalculation of all related figures when one is changed (as in a spreadsheet; see below).
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* adición de valor = value adding.