7 entries, reproduced verbatim from the FAA glossary effective 7/9/26.
Denotes emissions that do not mimic Global Navigation Satellite System (GNSS) signals (e.g., GPS and WAAS), but rather interfere with the civil receiver's ability to acquire and track GNSS signals. Jamming can result in denial of GNSS navigation, positioning, timing and aircraft dependent functions.
The rapid air movement produced by exhaust from jet engines.
A route designed to serve aircraft operations from 18,000 feet MSL up to and including flight level 450. The routes are referred to as “J” routes with numbering to identify the designated route; e.g., J105.
Refer to14 CFR part 71
A migrating stream of high‐speed winds present at high altitudes.
Airborne release of external stores; e.g., tiptanks, ordnance.
SeeFUEL DUMPING
Refer to14 CFR part 91
The airspace directly associated with a Drop Zone. Vertical and horizontal limits may be locally defined.
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The Private Pilot Quick-Review Study Guide covers this in the chapters these terms come up in. It is in CFI review and not on sale yet; the guide page has the list for launch notes.
Source. FAA Pilot/Controller Glossary, letter J, effective 7/9/26, reproduced verbatim from https://www.faa.gov/Air_traffic/publications/atpubs/pcg_html/index.html. A United States Government work. Check the current published glossary before you rely on any entry here.