triradiate

English

Alternative forms

• triradiated

Etymology

From tri- +‎ radiate.

Pronunciation

• (Received Pronunciation) IPA^(key): /trʌɪˈreɪdɪət/

Adjective

triradiate (not comparable)

1. Having or consisting of three rays; radiating in three directions from a central point; three-rayed, trifurcate.
   • 1846, R. Patterson, Introduction to Zoology:

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

   • 1875, Mordecai Cubitt Cooke, Fungi: their nature, influence, and uses:

     The triradiate spores of Asterosporium.

Noun

triradiate (plural triradiates)

1. A triradiate sponge-spicule.
   • 2023 November 24, Wikipedia contributors, “Clathrina mutsu”, in English Wikipedia‎^[1], Wikimedia Foundation:

     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.

References

• Oxford English Dictionary, 1884–1928, and First Supplement, 1933.