transmedium objects or devices
Defined in 1 dictionary — U.S. Code
United States Code
50 U.S.C. § 3373 — in this section (2 versions over time)
The term "transmedium objects or devices" means objects or devices that are—
(A) observed to transition between space and the atmosphere, or between the atmosphere and bodies of water; and
(B) not immediately identifiable.