English edit

Noun edit

HALO (countable and uncountable, plural HALOs)

  1. (parachuting) Acronym of high altitude, low opening. A type of skydiving where one leaves the launch platform from a high altitude and opens the parachute at a very low altitude.
    When you have enough experience, you can do a HALO jump.
  2. Acronym of hazardous area life-support organization.
  3. (aviation) Acronym of high altitude, low orbiting.
    Weather balloons at maximum altitude are considered HALOs.

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