The Collaborative International Dictionary of English v.0.48:
Anaemia \A*n[ae]"mi*a\, Anemia \A*ne"mi*a\([.a]*n[=e]"m[i^]*[.a]), a. [NL., fr. Gr. 'anaimi`a; 'an priv. + a'i^ma blood.] (Med.) A morbid condition in which number of the red blood cells or concentration of hemoglobin decreases below that of normal. [1913 Webster + AS]WordNet (r) 3.0 (2006):
anaemia n 1: a lack of vitality [syn: anemia, anaemia] 2: a deficiency of red blood cells [syn: anemia, anaemia]