rock glass

English

Alternative forms

• rock-glass, rockglass

Noun

rock glass (plural rock glasses)

1. (chemistry, mining, geology) Metastable glass of volcanic or dyke origin.
2. Alternative form of rocks glass (“short glass tumbler for serving liquor with ice”)
   • 2011 June 11, “Vice Grip” (track 10), in Grieves (lyrics), On Together/Apart (Deluxe Edition)‎^[1]:

     Me? I got my own way to get up
     Starts with a rock glass and ends with a hiccup
     – we do not hear rocks glass, contra the upcorrecting Genius transcribers.