D defs.my
Entry 1 sense Webster, 1913

Pectolite

/(pĕk"tō̇*līt)/ · Pec·to·lite · IPA
01 n. A whitish mineral occurring in radiated or fibrous crystalline masses. It is a hydrous silicate of lime and soda.
  1. 1.
    A whitish mineral occurring in radiated or fibrous crystalline masses. It is a hydrous silicate of lime and soda.(Min.)