standard pressure:- الضغط الجوى عند مستوى سطح البحر ويعبر عنه بوزن عمود من الزئبق ارتفاعه 760 مم، ومقطعه 1 سم2 ويبلغ حوالي 14.7 رطل على البوصة المربعة. (معجم الكيمياء والصيدلة (ج٢))
standard pressure:- a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade (Princeton WordNet 3.1)
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