extremely smooth, nearly distortion-free plate glass manufactured by pouring molten glass onto a surface of molten tin.
Origin of float glass
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for float glass
a type of flat polished transparent glass made by allowing the molten glass to harden as it floats on liquid of higher density
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012