a white or colorless mineral of organic origin, calcium oxalate monohydrate, Ca(C2O4)·H2O, one of the main crystalline components of kidney stones and urinary precipitates; also found in coal deposits.
Origin: 1850–55; named after William Whewell (1794–1866), English philosopher; see -ite1
[hyoo-uh-lahyt] 
əˌlaɪt