1. sine - Noun
2. sine - Preposition
The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity.
The perpendicular itself. See Sine of angle, below.
Without.
Source: Webster's dictionarySoul-serving requires a heart that beats hard against the ribs. It requires a soul full of the milk of human kindness. This is the sine qua non of success. Charles Spurgeon
Winning the Revolutionary War, or the Civil War, or World War II were the turning points in our history, the sine qua non of our forward progress. Stephen Ambrose
Taking charge of your own learning is a part of taking charge of your life, which is the sine qua non in becoming an integrated person. Warren Bennis
Sound money is the sine qua non of a prosperous society. Arthur Laffer
Much water has run in the danube sine then. Hungarian Proverb
Life has given nothing to mortals without great labor. [Nil sine magno vita labore dedit mortalibus.]. Latin Proverb