obtuse

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obtuse

1. Maths
a. (of an angle) lying between 90? and 180?
b. (of a triangle) having one interior angle greater than 90?
2. (of a leaf or similar flat part) having a rounded or blunt tip

obtuse

[äb′tüs]
(botany)
Of a leaf, having a blunt or rounded free end.
References in periodicals archive ?
In 1777, a year after his obtusity provoked many of his North American colonies to revolt, he was persuaded by the Royal Academy to make a grant to a bricklayer's son so that the young man could spend three years in Italy to study the best models of architecture.