Meaning of APTITUDE in English

APTITUDE

ap ‧ ti ‧ tude /ˈæptətjuːd, ˈæptɪtjuːd $ -tuːd/ BrE AmE noun [uncountable and countable]

1 . natural ability or skill, especially in learning

aptitude for

He has a natural aptitude for teaching.

2 . aptitude test a test that measures your natural skills or abilities

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.