Zero-zero
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Pertaining to the ejection of the occupant of an aircraft from a grounded stationary position (i.e. zero altitude and zero airspeed). not-comparable
"Test vehicles used during this extensive programme were a launching stand for the zero-zero ejections..."
- 2 Pertaining to weather conditions of zero ceiling and zero visibility (i.e., opaque cloud all the way down to ground level), or to aircraft operations in such conditions. not-comparable
"Category IIIc ILS would enable landings in true zero-zero conditions (where the pilots can see nothing, not even the surface of the runway they're on), but the problem of blind taxiing - a necessary capability in order to make use of ILS-IIIc - remains unsolved."
- 3 Involving neither of two powers increasing their stockpile of nuclear weapons. not-comparable
"a zero-zero treaty"
Example
More examples"I grew up intuitively with Zen Buddhism because my nickname was Nonong, like Zero-Zero. As a child, I did not know about Zen, but I came to know it intuitively."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.