depleted material

depleted material

[də′plēd·əd mə′tir·ē·əl]
(nucleonics)
Material in which the amount of one or more isotopes of a constituent has been reduced by an isotope separation process or by a nuclear reaction.
References in periodicals archive ?
08 million for replacement of depleted material MoW&P 1450.
They argued that the thick depleted lithospheric mantle to have been produced by shortening, to transport the depleted material downwards to form the mantle --keel.
In short, they sourced standard projects immediately with on-hand materials and replenished the depleted materials with future funding.
The same root shows up again in the verb 'to restore' which originally meant to replenish depleted materials.