- avitaminosis, hypovitaminosis - any of several diseases caused by deficiency of one or more vitamins
--1 is a kind of malnutrition
--1 has particulars:beriberi; pellagra, Alpine scurvy, mal de la rosa, mal rosso, maidism, mayidism, Saint Ignatius' itch; rickets, rachitis; scurvy, scorbutus; nyctalopia, night blindness, moon blindness