obverse
[ˈɒbvɜːs]
adj
facing or turned towards the observer
forming or serving as a counterpart
(of certain plant leaves) narrower at the base than at the top
n
a counterpart or complement
the side of a coin that bears the main design or deviceSee reverse
a categorial proposition derived from another by replacing the original predicate by its negation and changing the proposition from affirmative to negative or vice versa, as no sum is correct from every sum is incorrect
现代英汉综合大辞典
柯林斯
