対照

(1)a standard against which other conditions can be compared in a scientific experiment; "the control condition was inappropriate for the conclusions he wished to draw"

(2)科学的な実験で、他の条件を比べるための標準

(3)the act of distinguishing by comparing differences

(4)違いを比べて区別する行為

(5)the opposition or dissimilarity of things that are compared; "in contrast to", "by contrast"

(6)比較された物事の対立点または相違点

(7)relation based on similarities and differences

(8)類似点と相違点を基にした関係