AFFINITY


Meaning of AFFINITY in English

■ noun ( plural affinities )

1》 a spontaneous or natural liking or sympathy.

↘a close relationship based on a common origin or structure.

↘relationship by marriage.

2》 chiefly Biochemistry the degree to which a substance tends to combine with another.

Origin

ME: via OFr. from L. affinitas , from affinis 'related' (lit. 'bordering on').

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.