| The New Dictionary of Cultural Literacy, Third Edition. 2002. |
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| sine qua non |
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| (SIN-i kwah NON, NOHN) The essential, crucial, or indispensable ingredient without which something would be impossible: “Her leadership was the sine qua non of the organization’s success.” From Latin, meaning “without which nothing.” | 1 |
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| | | The New Dictionary of Cultural Literacy, Third Edition. Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
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