英和和英

語源

From Latin tridēns, from tri- (“three”) +‎ dēns (“tooth”).

発音

• IPA: /ˈtɹaɪ̯dənt/

名詞

trident (plural tridents)

1. A three-pronged spear somewhat resembling a pitchfork.

   Poseidon's trident

   • 1951 October, R. S. McNaught, “Lines of Approach”, in Railway Magazine, pages 703-704:

     I recall the height of comfort attained by the green-cushioned "first" with starched white antimacassars and a pretentious grey floor mat on which it seemed a sacrilege to stand, as it was embellished with the North Western conception of Britannia, complete with trident.

2. (geometry) A curve of third order of the form:

   ${\displaystyle xy+ax^{3}+bx^{2}+cx=d\,}$

同意語

• (curve): trident curve

派生語

参考

• trisula (Hindu trident)
• tryzub (Ukrainian trident)

Further reading

• Trident curve on Wikipedia.Wikipedia

アナグラム

• dritten