a condition of abnormal hair growth characterized by a lack of hair.

हाइपोत्रिकोसिस

English Usage: He was born with hypotrichosis, having very little hair on his head.

Hindi Usage: वह हाइपोत्रिकोसिस के साथ पैदा हुआ था, उसके सिर पर बहुत कम बाल थे।