noun
1. power to be effective; the quality of being able to bring about an effect (Freq. 11)
• Syn: ↑effectivity, ↑effectualness, ↑effectuality
• Ant: ↑ineffectiveness
• Derivationally related forms: ↑effectual (for: ↑effectuality), ↑effectual (for: ↑effectualness), ↑effective (for: ↑effectivity), ↑effective
• Hypernyms: ↑power, ↑powerfulness
• Hyponyms: ↑incisiveness, ↑trenchancy, ↑efficacy, ↑efficaciousness
• Attrubites: ↑effective, ↑effectual, ↑efficacious, ↑ineffective, ↑uneffective, ↑ineffectual
2. capacity to produce strong physiological or chemical effects (Freq. 3)
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the toxin's potency
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the strength of the drinks
• Hypernyms: ↑power, ↑powerfulness
Useful english dictionary. 2012.