zero–zero

adjective

Definition of zero–zero

  1. 1 :  characterized by or being atmospheric conditions that reduce ceiling and visibility to zero

  2. 2 :  limited to zero by atmospheric conditions

Circa 1939

First Known Use of zero–zero

circa 1939


Seen and Heard

What made you want to look up zero–zero? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an alert or lookout

Get Word of the Day daily email!