1 noun MED, AUTOinstealladh masc c m uthey gave him an injection of insulinthug siad instealladh insline dó2 noun FIN, ECON of financeinfheistiú masc c m uinfheistíocht fem3 c m uan injection of fundsinfheistiú airgid3 noun of energy etcit gave them an injection of energythug sé fuinneamh breise dóibh4 noun MATH in geometryinteilgean masc1 c m u