European Theater of Operations 
European Telecommunications Office 
exchange traded option 
Extended Terminal Option 
Earth Transfer Orbit 
Earth-to-Orbit 
Ethylene Oxide 
Extended Time Observations 
Emergency Transportation Operations 
Engineer-to-Order 
Estimated Time Over 
Exponential-Type Orbital 
Eaton Vance Tax-Advantage Global Divid… 
Ecole Technique Officielle 
Electronic Trade Opportunity 
Electronic Trading Opportunity 
Electronics Technology Office 
elliptical-type orbital 
Employment Training Opportunities 
Endorsed Training Organisation 
Energy Technology Office 
engineering technology office 
Essentials - Tools - Objects 
Estimated Time of Ovulation 
Estimated Time Off 
ESTIMATED TIME OUTAGE 
Ethoxide 
Ethoxy- 
Ethyl Oxide 
ethylene oxide gas