'Uranium enriched in uranium-235 or uranium-233' means uranium containing uranium-235 or uranium-233 or both in an amount such that the abundance ratio of the sum of these isotopes to isotope 238 is greater than the ratio of isotope 235 to isotope 238 occurring in nature.
Ciallaíonn 'úráiniam saibhríthe in úráiniam-235 nó úráiniam-233' úráiniam ina bhfuil an cion sin d'úráiniam-235 nó d'úráiniam-233, nó den dá cheann, a thabharfaidh gur mó an coibhneas lionmhaireachta idir suim na n-iseatóipí sin agus iseatóip 238 ná an coibhneas atá sa nádur idir iseatóip 235 agus iseatóip 238.