What is another word for retronym?
Pronunciation: [ɹˌɛtɹə͡ʊnˈɪm] (IPA) 
A retronym is a word that is created specifically to describe an older version of something that has been updated or replaced by a newer version. Some synonyms for the term retronym include retro term, backronym, re-terminology, backwards name, and antique word. Retrospective term and postonym are other options for describing this linguistic phenomenon. While retronyms may seem like a rare occurrence, they are actually quite common in our modern language. Examples include "snail mail" for traditional mail, "acoustic guitar" for the non-electronic version, and "analog clock" for a clock that does not use digital technology.
