[with.er.ite] n [G Witherit, irreg. fr. William Withering d. 1799 Eng. physician] (1794): a mineral consisting of a carbonate of barium in the form of white or gray twin crystals or columnar or granular masses
WITHERITE
Meaning of WITHERITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012