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Definitions for expendability. Here are all the possible meanings and translations of the word expendability. Wiktionary(0.00 / 0 votes)Rate this definition: expendability(Noun) The state or quality of being expendable.
What is Sustainability? The definition of âsustainabilityâ is the study of how natural systems function, remain diverse and produce everything it needs for the ecology to remain in balance. It also acknowledges that human civilisation takes resources to sustain our modern way of life (1).