Translation of "pulverise" into Irish

rusks and biscuits which are to be used either directly or, after pulverisation, with the addition of water, milk or other suitable liquids;

roscaí agus brioscaí atá le caitheamh go díreach, nó tar éis a bpúdraithe, ach uisce, bainne nó leachtanna eile oiriúnacha a chur leo;