flight level

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. Any of several internationally agreed [[standard]] [[altitude]]s that are based on [[atmospheric]] [[pressure]] rather than on true [[height]]
2. {{label|en|aviation}} a [[pressure altitude]] measured in terms of hundreds of [[feet]] [[above sea level]] (ie. flight level 120 (FL120) is 12,000 ft. ASL)

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.