CRYPTOGENIC
Meaning of CRYPTOGENIC in English
transcription, транскрипция: [ ˌkrip-tə-ˈje-nik ]
adjective
Date: 1908
: of obscure or unknown origin
a cryptogenic disease
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003