deficiencies

noun, plural de·fi·cien·cies.

1. the state of being deficient; lack; incompleteness; insufficiency.
2. the amount lacked; a deficit.

noun plural -cies

1. the state or quality of being deficient
2. a lack or insufficiency; shortage
3. another word for deficit
4. biology the absence of a gene or a region of a chromosome normally present

n.

1630s, from deficience (mid-15c.) + -cy; or from Late Latin deficientia, from deficientem (see deficient).

n.

1. A lack or shortage of something essential to health; an insufficiency.