anemia
definition
a condition marked by a deficiency of red blood cells or hemoglobin in the blood
example
The doctor diagnosed her with iron-deficiency anemia after noting her fatigue and pallor.
synonyms
blood deficiencyhyp anemialow red blood cell count
word origin — From Greek 'anaimia' meaning 'lack of blood'; 'an-' meaning 'without' and 'haima' meaning 'blood'.