 | online dictionaries of abbreviations |
| selected terms: 3 | page 1 of 1 |
- H
- (Hydrogen) A chemical element in the periodic table that has the atomic number 1. At standard temperature and pressure it is a colorless, odorless, nonmetallic, univalent, tasteless, highly More…
- He
- (Helium) A chemical element in the periodic table that has the atomic number 2. Helium is a colorless, odorless, tasteless, non-toxic, nearly inert monatomic chemical element that heads the More…
- HVAC
- (Heating, Ventilation and Air-Conditioning) This is sometimes referred to as climate control. These three functions are closely interrelated, as they control the temperature and humidity of More…
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