milium
Concise Oxford English Dictionary © 2008 Oxford University Press:
milium /ˈmɪlɪəm/
▶noun (pl. milia /ˈmɪlɪə/) Medicine a small, hard, pale keratinous nodule formed on the skin, typically by a blocked sebaceous gland.
– origin C19: from L., lit. ‘millet’ (because of a resemblance to a millet seed).
'milium' also found in these Oxford entries:

