1 noun amount of moneycaiteachas masc1 c m uthis project requires an expenditure of €1.4 milliontá caiteachas €1.4 milliún ag teastáil don tionscadal seothe annual expenditure on educationan caiteachas bliantúil ar oideachasgovernment expenditurecaiteachas rialtaishousehold expenditurecaiteachas teaghlaigh2 noun use of effort, resources etcis it worth such an expenditure of time and energy?an fiú an oiread sin ama agus fuinnimh a chaitheamh air?when calorie expenditure is considerednuair a chuirtear san áireamh na calraí a ídítear