Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- prefix Alternative form of
ex- (combining with f-initial words).
Etymologies
Sorry, no etymologies found.
Support

Help support Wordnik (and make this page ad-free) by adopting the word ef-.
Examples
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F., et al. 5-hydroxytryptophan: A review of its antidepressant ef- ficacy and adverse effects.
Fat is Not Your Fate Susan Mitchell Ph.D. 2005
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F., et al. 5-hydroxytryptophan: A review of its antidepressant ef- ficacy and adverse effects.
Fat is Not Your Fate Susan Mitchell Ph.D. 2005
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