concavities
中文解釋
wordnet sense
Collocation Usage
Collins Definition
Noun
concavities, plural;
/känˈkavitē/,
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concavities, plural;
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The state or quality of being concave
-
A concave surface or thing
Web Definitions:
- (concavity) concave shape: a shape that curves or bends inward
- (Concavity) A weld that drops under the intended perpendicular plane.
- (Concavity) A concave condition applicable to the width of any flat surface.
- (Concavity) The maximum perpendicular distance from the face of a concave weld to a line joining the toes.
- (concavity) A part of the graph of a function is said to be concave down if it looks like part of a frown, and concave up if it looks like part of a cup (up...cup..., there's a mnemonic device). ...
- (concavity) measures whether a function of one variable opens upward (concavity positive, second derivative positive,) downward (concavity and second derivative negative,) or is flat (all zero)