obverse

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obverse

1. (of certain plant leaves) narrower at the base than at the top
2. Logic 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
References in periodicals archive ?
The plates include not only images of obverses and reverses but also of all edges.
'Exhibiting coins is quite difficult because you can never show both sides, and because they are hand-struck the reverses are not aligned with the obverses.' The vitrine wall moves forward and reveals a bank of electronics.
The latter image appeared on "the obverses of United States gold coins from the mid-1800s to the early 1900s." The 2006 press release did not take note of clearly dissimilar markings, such as the 800 phone number, "LIBERTYDOLLAR.ORG," and "ONE OUNCE 999 FINE SILVER" inscriptions on the reverse, nor did it suggest that the cited similarities constituted counterfeiting or fraud.