† orthogonionn.

Origin: A borrowing from Latin. Etymon: Latin orthogōnion.

Etymology: < classical Latin orthogōnion right-angled triangle < ancient Greek ὀρθογώνιον (used as noun in sense ‘rectangle’), neuter singular of ὀρθογώνιος right-angled < ὀρθο- ortho- comb. form + γωνία angle, corner (see -gon comb. form). Compare earlier orthogonium n. and later orthogon n.

Obsolete.

= orthogonium n.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [noun] > triangle > specific

orthogonium1570

right triangle1583

orthogonion1653

1653 H. More Second Lash of Alazonomastix (1713) 221 The Orthogonion what a foundation it is of Trigonometry..every body knows that knows any thing at all in Mathematicks.

This is a new entry (OED Third Edition, September 2004; most recently modified version published online December 2019).

单词	orthogonion
释义	† orthogonionn. Origin: A borrowing from Latin. Etymon: Latin orthogōnion. Etymology: < classical Latin orthogōnion right-angled triangle < ancient Greek ὀρθογώνιον (used as noun in sense ‘rectangle’), neuter singular of ὀρθογώνιος right-angled < ὀρθο- ortho- comb. form + γωνία angle, corner (see -gon comb. form). Compare earlier orthogonium n. and later orthogon n. Obsolete. = orthogonium n. ΘΚΠ the world > space > shape > angularity > specific angular shape > [noun] > triangle > specific orthogonium1570 right triangle1583 orthogonion1653 1653 H. More Second Lash of Alazonomastix (1713) 221 The Orthogonion what a foundation it is of Trigonometry..every body knows that knows any thing at all in Mathematicks. This is a new entry (OED Third Edition, September 2004; most recently modified version published online December 2019). < n.1653
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