expenditure
n. US //ɪkˈspɛndətʃɝ// UK //ɛkspˈɛndɪtʃɐ// ex·pen·di·ture
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1 the act of spending (n.) C1 Advanced Academic Formalthe act of using or spending energy, time, or money.
the process or act of expending a resource, such as capital, effort, or energy. In this sense, it is typically uncountable.
ExampleThis job requires a huge expenditure of time and energy.
ExampleBiological processes often involve the rapid expenditure of energy to maintain cellular stability under environmental stress.
UsageFrequently appears in the phrase 'expenditure of' followed by a resource like 'effort', 'energy', or 'resources'.
From stem of Medieval Latin expenditus, irregular perfect passive participle of expendō (“I weigh, I pay out”), + -ure (“process or result”).