primary time (English, noun)
expansion: primary time (countable and uncountable, plural primary times)
Senses:
glosses: The point in time when something is initiated; the start time.
tags: countable
uncountable
glosses: Time as directly experienced, as opposed to time as a measured amount, historical time, etc.
tags: countable
uncountable
topics: aeronautics
aerospace
aviation
business
engineering
government
military
natural-sciences
physical-sciences
politics
war
glosses: The amount of time in which a pilot is actively controlling the aircraft, excluding time flown while instructing and evaluating.
tags: countable
uncountable
Forms:
form: primary times
tags: plural