The spacecraft's mass at launch was some 13 tonnes, most of which was the propellants unsymmetrical dimethylhydrazine (UDMH) and dinitrogen tetroxide (DTO).
What does UDM stand for?
UDM stands for Unsymmetrical Dimethylhydrazine
This definition appears rarely and is found in the following Acronym Finder categories:
- Military and Government
- Science, medicine, engineering, etc.
See other definitions of UDM
We have 48 other meanings of UDM in our Acronym Attic
- Universal Data Model
- Universal Database for Music Ltd. (UK)
- Universal Diagnostic Monitor
- Université De Montréal
- Universiti Darul Iman Malaysia (Malaysian university)
- University of Detroit Mercy (Michigan)
- Unpressurized Docking Mast
- Unscheduled Depot Maintenance
- Unsolicited Direct Mail (aka spam)
- Unstructured Data Management
- Unter Dem Meeresspiegel (German: Below Sea Level)
- Urban Dispersal Model (JFCOM/DTRA)
- User Data Management (various companies)
- User Data Module
- User Defined Message
- Utilities Database Management
- Über Dem Meersspiegel (German: above sea level)
- Ümumi Daxili Mehsul (Azerbaijanian: Gross Domestic Product)
- Ultra Direct Memory Access (mass storage interface)
- Union Démocratique du Manifeste Algérien
Samples in periodicals archive:
Using the loadmaster's hazmat bible, the NAVSUP PUB 505 (known to us simply as the "505"), I learned these rockets contained two chemicals: inhibited red fuming nitric acid (IRFNA) and unsymmetrical dimethylhydrazine (hydrazine)--both extremely dangerous.
Arch continues to produce ultra pure hydrazine(TM), anhydrous hydrazine (AH, monomethyl hydrazine (MMH) and unsymmetrical dimethylhydrazine (UDMH) for both commercial and military applications at its Lake Charles Raschig facility.