[ ə'klɪvɪti ]
■ noun ( plural acclivities ) an upward slope.
Derivatives
acclivitous adjective
Origin
C17: from L. acclivitas , from acclivis , from ad- 'towards' + clivus 'a slope'.
ACCLIVITY
Meaning of ACCLIVITY in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004