ˈgibˌzīt noun
( -s )
Etymology: George Gibbs died 1833 American mineralogist + English -ite
: a mineral Al(OH) 3 consisting of light-colored translucent aluminum hydroxide occurring as monoclinic crystals and also in stalactitic and spheroidal forms
• gibbs·it·ic (ˈ)gib|zid.ik adjective