C3A1L1C3U1L1U1S1
12 points
CALCULUS is validvalid
a branch of mathematics [n CALCULI, CALCULUSES]
(Latin) a branch of mathematics [n CALCULUSES] / a kidney or gall bladder stone [n CALCULI]
a branch of mathematics [n CALCULI, CALCULUSES]
(Latin) a branch of mathematics [n CALCULUSES] / a kidney or gall bladder stone [n CALCULI]