noun (plural -cies) Date: 1603 the quality or state of being deficient ; inadequacy , an amount that is lacking or inadequate ; shortage : as, a shortage of substances necessary to health, deletion 2b(1)
DEFICIENCY
Meaning of DEFICIENCY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012