efficacity
efficacity · efficacities
EfficacyEfficacy.
Meaning
1 senses(countable, uncountable)Efficacy.
Origin
From Middle French efficacité (whence -acity).From Middle French efficacité (whence -acity).
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Forms
plural: efficacities| Singular | efficacity |
|---|---|
| Plural | efficacities |
regular
Word family
12 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable