A single eye glass is called a monocle.
A Monocle. A single glass lens is called a monocle, as worn by Mr. Peanut and the Monopoly guy.
The piece bands go like this... one piece = solo two piece = duet three piece = trio four piece = quartet five piece = quintet six piece = sextet SEVEN PIECE = SEPTET eight piece = octet nine piece and on... = band period
Either a bottle or a jar.
It is called and Etude
A broken piece of glass is called a shard.
A small piece or part of something like a piece of glass is called a shard.
The piece of glass used with a microscope is called a microscope slide. It is a thin, flat, rectangular piece of glass on which specimens for examination are placed.
It's a pane of glass.
A lens.
Mirror
lens
A bubble glass is a glass that is made in the Ryukyu Islands. The bubble glass is formed from a small piece of molten glass, which is then cooled and shaped into a glass container.
It is called a microscope slide.
A small piece or part of something is called a portion of whatever the thing is.
A curved piece of glass in science is called a lens. Lenses are used to bend and focus light, allowing for magnification, correction of vision, or other optical applications. These can be concave or convex in shape.
That would be the "sash channel".