Welcome to Question.com
Skip directly to:
Search Box
,
Site Navigation
,
Content
.
Question.com
Site Search
Web Search
Home
Encyclopedia
Dictionary
Health
Famous Quotes
Countries
Today in History
RSS Feed
Hottest Topics:
Naruto
Men's Health
Hezbollah
Bankruptcy
Antidepressants
How did Google get its name?
Tridiapason
n.
A triple octave, or twenty-second.