/suy"nee kway non", kwah, sin"ay/ ; Lat. /si"ne kwah nohn"/
an indispensable condition, element, or factor; something essential: Her presence was the sine qua non of every social event.
[ sine qua ( causa ) non without which (thing) not ]
/suy"nee kway non", kwah, sin"ay/ ; Lat. /si"ne kwah nohn"/
an indispensable condition, element, or factor; something essential: Her presence was the sine qua non of every social event.
[ sine qua ( causa ) non without which (thing) not ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012