maximum depression

maximum depression

[′mak·sə·məm di′presh·ən]
(ordnance)
The maximum vertical angle below the horizontal plane at which a piece of artillery can be laid and still deliver effective fire.
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References in periodicals archive ?
Scores for each item in the questionnaire ranged from 0 to 3 showing no depression and maximum depression respectively.
That puts it right smack in the way of the recoil path of the main gun when it's fired at maximum depression.
The following parameters were measured or calculated: lag time (seconds) = time interval from the injection of the vecuronium to the beginning of depression of T1; onset time (seconds) =time interval from the injection of the vecuronium to the maximum depression of T1; DUR25% (clinical duration in minutes) = time interval from the first injection of the vecuronium to spontaneous recovery of T1 to 25% of the control value; DUR25-75 (recovery index in minutes)=after the last dose of the vecuronium, the time interval from 25% to 75% recovery of T1; and DUR25-TOF 90 (minutes) =complete recovery of neuromuscular function, namely the time interval from recovery of T1 to 25% of the control value to a TOF ratio of 0.90.

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