| NB: The definitions below are for words, or technical vocabulary, specific to Military Air Environment use. |
| Where a word appears in the Oxford English Dictionary (OED), the definition below is specific only to the |
| associated context and OED definitions should be used in all other usages. |
| Term | Abbreviation | Chapter Reference |
| Quality | Chap 15.1 |
| Description |
| The degree to which a set of inherent characteristics fulfil requirements (ISO EN 9000:2005). |