The quality or state of being able to be pressed down, depressed, or made sad.
From depressible (able to be depressed) + '-ity' (abstract noun suffix). Builds on Latin 'deprimere' with English suffixes creating an abstract quality noun.
Materials scientists use depressibility to describe how much a substance can be squeezed; psychiatrists might use it to describe how responsive someone is to sadness-inducing stimuli—same word, totally different meaning.
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