The excretion of an abnormally large amount of oxalate in the urine, specifically (in full "primary hyperoxaluria") that resulting from oxalosis; an instance of this.
Origin
1950s. From hyper- + oxaluria.
Definition of hyperoxaluria in US English:
hyperoxaluria
nounˌhʌɪp(ə)rˌɒksəˈl(j)ʊərɪə
Medicine
The excretion of an abnormally large amount of oxalate in the urine, specifically (in full "primary hyperoxaluria") that resulting from oxalosis; an instance of this.