| Acronym | Meaning |
| ZJ | Zettajoule |
| NEI | National Eye Institute - Not Enough Information - Nuclear Energy Institute |
| BPM | Beats Per Minute |
| IJWP | Interim Joint Warfare Publication |
| ADHD | Attention-Deficit Hyperactivity Disorder |
| MPEG | Motion Pictures (Coding) Experts Group |
| MM | Millimetre |
| CDIAC | Carbon Dioxide Information Analysis Center (see-dee-ack) |
| MEK | Magyar Elektronikus Konyvtar - Message Encryption Key - Methyl Ethyl Ketone -Mujahideen Al-Khalq |
| ROWPU | Reverse Osmosis Water Purification Unit (roe-pew) |