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Webster's New World College Dictionary » deficiency
deficiency
deficiency definition
de·fi·ciency (dē fis̸h′ən sē, di-)
noun
- the quality or state of being deficient; absence of something essential; incompleteness
- pl. deficiencies -·cies
- a shortage
- the amount of shortage; deficit
Etymology: ME deficience < LL deficientia < L deficiens, prp. of deficere to lack, fail < de-, from + facere, to do
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