correlation

詳細解釋：

cor.re.la.tion

n.（名詞）
A causal, complementary, parallel, or reciprocal relationship, especially a structural, functional, or qualitative correspondence between two comparable entities:
相互關聯：一種互為因果的、互相補充的、平行或互惠的關係，尤指結構上、功能上數量上兩個可比方面之間的相應關係：
例句：
a correlation between drug abuse and crime.
吸毒和犯罪之間的相互關聯

Statistics The simultaneous change in value of two numerically valued random variables:
【統計學】 相關性：兩個隨機交化的數值在數值上的同時交化：
例句：
the positive correlation between cigarette smoking and the incidence of lung cancer; the negative correlation between age and normal vision.
吸菸與肺癌發病的正比關係；年齡與正常視力之間的反比關係

An act of correlating or the condition of being correlated.
相關行為：相互關聯的行為或相互關聯的狀況

來源：
Medieval Latin correl3tiô correl3tiôn-
中世紀拉丁語 correl3tiô correl3tiôn-
Latin com- [com-]
拉丁語 com- [共同]
Latin rel3tiô [relation, report] from rel3tus [past participle of] referre [to carry back] * see relate
拉丁語 rel3tiô [關係、報告] 源於 rel3tus [] referre的過去分詞 [取回] *參見 relate

【引伸】
cor.rela.tional
adj.（形容詞）