rosacea
Concise Oxford English Dictionary © 2008 Oxford University Press:
rosacea /rəʊˈzeɪʃɪə/ (also acne rosacea)
▶noun Medicine a condition in which certain facial blood vessels enlarge, giving the cheeks and nose a flushed appearance.
– origin C19: from L., fem. of rosaceus in the sense ‘rose-coloured’.
'rosacea' also found in these Oxford entries:

