Advances in technology and science are often responsible for the coinage of retronyms. For example, the term acoustic guitar was coined with the advent of the electric guitar, analog watch was introduced to distinguish from the digital watch, push bike was created to distinguish from the motorized bicycle, and feature phone was coined to distinguish from the smartphone. Likewise, visible light refers to electromagnetic radiation on the narrow visible spectrum, and water ice was coined to distinguish the solid state of water (including exotic forms) from the solid state of other volatiles such as carbon dioxide and argon.
Advances in technology and science are often responsible for the coinage of retronyms. For example the term acoustic guitar was coined with the advent of the electric guitar, analog watch was introduced to distinguish from the digital watch, push bike was created to distinguish from the motorized bicycle, and feature phone was coined to distinguish from the smartphone. Likewise, visible light refers to electromagnetic radiation on the narrow visible spectrum, and water ice was coined to distinguish, the solid state of water (including exotic forms) from the solid state of other volatiles such as carbon dioxide and argon.