1 noun IND, ELECTRIC for nuclear energyimoibreoir masc3 c m ufission reactorimoibreoir eamhnach2 noun CHEM vat or containersoitheach imoibriúcháin3 noun MED that reacts to drug etcfrithghníomhaí masc4 c m ushe had three reactors in the herdtheip trí bhó léi an tástáil eitinne4 noun PHYS, ELECTRIC in electrical circuitfreasaitheoir masc3