SINE QUA NON \sin-ih-kwah-NON; -NOHN; sy-nih-kway-, noun:
An essential condition or element; an indispensable thing.
The medicine was sine qua non to her recovery. Without it, she would surely die of heartbreak and despair.
SINE QUA NON \sin-ih-kwah-NON; -NOHN; sy-nih-kway-, noun:
An essential condition or element; an indispensable thing.
The medicine was sine qua non to her recovery. Without it, she would surely die of heartbreak and despair.