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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.
Definition of heritability 1: the quality or state of being heritable 2: the proportion of observed variation in a particular trait (such as height) that can be attributed to inherited genetic factors in contrast to environmental ones