[ pik-er-ing-ahyt, pik-ring- ]
/ ˈpɪk ər ɪŋˌaɪt, ˈpɪk rɪŋ- /
a mineral, magnesia alum, occurring usually in the form of white fibrous masses.
Origin of pickeringite
1835–45; named after John Pickering (1777–1846), American linguist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019