triradius

/trahy-rey-dee-uhs/US // traɪˈreɪ di əs //

三角洲,三角形,三角星,三角洲岛

Definitions

n.名词 noun

1
plural tri·ra·di·i [trahy-rey-dee-ahy], /traɪˈreɪ diˌaɪ/, tri·ra·di·us·es.Physical Anthropology.
- : a Y-shaped group of ridges on the palm of the hand at the base of each finger.