main, principal

the act of defeating in a combat / the act of overcoming an obstacle

conquer / overcome an obstacle

centrality

(oncology, pathology) tumor

Abbreviation of ポイント (pointo).

point, especially a key point in an explanation / point (unit of scoring) / (rail transport) points, switch, shunt / (typography) a point (unit of size)

正八胞体: tesseract

(medicine) oncology

tesseract; 8-cell