diagonal

英 [da?'?g(?)n(?)l] 美[da?'?ɡ?nl]
  • adj. 斜的;對角線的;斜紋的
  • n. 對角線;斜線

暢通詞匯TEM8GRETOEFL低頻詞

詞態變化


復數:?diagonals;副詞:?diagonally;

中文詞源


diagonal 對角線的

dia-, 穿過。-gon, 彎,角,詞源同knee, octagonal. 即穿過去的,成對角的。

英文詞源


diagonal
diagonal: [16] Diagonal is commonly used simply as a synonym for oblique, but in strict mathematical terms it denotes a line joining two non-adjacent angles of a polygon. This reveals far more clearly its origins. It comes from diagōnālis, a Latin adjective derived from Greek diagónios. This was a compound formed from the prefix dia- ‘across’ and gōníā ‘angle’ (as in English polygon), meaning ‘from angle to angle’. Gōníā is related ultimately to English knee and genuine.
=> genuine, knee, polygon
diagonal (adj.)
1540s (implied in diagonally), from Middle French diagonal, from Latin diagonalis, from diagonus "slanting line," from Greek diagonios "from angle to angle," from dia- "across" (see dia-) + gonia "angle" (see -gon). As a noun, from 1570s.

雙語例句


1. The book has a diagonal black stripe on the cover.
書的封面上有條連接對角的黑斜線.

來自《簡明英漢詞典》

2. Footsteps had scored a diagonal path through the snow.
腳印在雪地上留下了一條對角線.

來自《簡明英漢詞典》

3. Draw a diagonal line to divide the square into two triangles.
畫一條對角線,把正方形分成兩個三角形.

來自辭典例句

4. The lumped mass matrix is a diagonal matrix.
集中質量陣是一個對用陣.

來自辭典例句

5. The square matrix is called a diagonal matrix.
該方矩陣稱為對角矩陣.

來自辭典例句

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