hyaloid vs unruffled

hyaloid

noun

  • The hyaloid membrane 

adj

  • transparent or glassy 

unruffled

adj

  • Not ruffled or tousled. 

  • Calm, not ruffled, serene, at peace, unbothered. 

How often have the words hyaloid and unruffled occurred in a corpus of books? (source: Google Ngram Viewer )