Meaning of APTITUDE in English
/ ˈæptɪtjuːd; NAmE -tuːd/ noun
[ U , C ] aptitude (for sth) | aptitude (for doing sth) natural ability or skill at doing sth
SYN talent :
She showed a natural aptitude for the work.
His aptitude for dealing with children got him the job.
an aptitude test (= one designed to show whether sb has the natural ability for a particular job or course of education)
late Middle English : via Old French from late Latin aptitudo , from aptus fitted, past participle of apere fasten.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005