cryptophasia

Noun

Meaning

cryptophasia (uncountable)

English Wikipedia has an article on:cryptophasiaWikipedia
The development by twins (identical or fraternal) of a language that only they can understand.

Source: en.wiktionary.org

Related terms

cryptolect

Close letter words and terms

cryptopatch cryptophagid cryptophane cryptophone cryptophthalmos Cryptophyceae