triradiate

T1R1I1R1A1D2I1A1T1E1
UK/trʌɪˈreɪdɪət/

adjective

Having or consisting of three rays; radiating in three directions from a central point; three-rayed, trifurcate.

Scrabble 11
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Meanings

adjectivetriradiate (not comparable)

alternative triradiated

  1. not comparableHaving or consisting of three rays; radiating in three directions from a central point; three-rayed, trifurcate.

    The triradiate spores of Asterosporium.

    1875, Mordecai Cubitt Cooke, Fungi: their nature, influence, and uses
    1 more example

    Three beautiful little semicircular horny saws, arranged in a triradiate manner, so that their edges meet in the centre.

    1846, R. Patterson, Introduction to Zoology
nountriradiate (plural triradiates)

plural triradiates · alternative triradiated

  1. A triradiate sponge-spicule.

    The triradiates are regular with straight, conical, and gradually sharp-pointed rays, measuring 60 - 150 μm in length and 8 - 14 μm thick at the base.

    2023 November 24, Wikipedia contributors, “Clathrina mutsu”, in English Wikipedia, Wikimedia Foundation

Origin

From tri- + radiate.

Full word history & related roots →
Cite this entry
APA

triradiate. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/triradiate

MLA

“triradiate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/triradiate. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “triradiate,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/triradiate.

Source: triradiate on Wiktionary, CC BY-SA 4.0.