nounAinmfhocal1size, importanceméidfem2cmuthe magnitude of this buildingméid an fhoirgnimh seothey're similar in magnitudetá siad ar cóimhéida change of such magnitudeathrú chomh mór sin2geologygeolaíochtforce of earthquakeméidfem2cmua quake of 8.1 magnitudecrith talún ar mhéid 8.13astonomyréalteolaíochtbrightness of starméidfem2cmustar of first magnituderéalta den chéad mhéid