rhamphoid

释义与例句

adj.
  1. 1.

    Of a cusp: defined by the equation (y-x²)²=x⁵, which is parametrized by (t²,t⁴+t⁵); having two branches with concavity in the same direction.

    数学

词源

Borrowed from Ancient Greek ῥάμφος (rhámphos, “beak”) + -oid.

来源：wiktionary