cardioid

n. [数]心形线 a. 具有心脏形状的

发音

US

词形变化

cardioids 复数 cardioids more cardioid 比较级 most cardioid 最高级

释义与例句

n.
  1. 1.

    An epicycloid with exactly one cusp; the plane curve with polar equation ρ=1+ cos ,θ - approximately heart-shaped

    数学
adj.
  1. 1.

    Having this characteristic shape

  2. 2.

    sensitive in front, but not behind or at the sides

词汇关系

名词

上位词 1

epicycloid

词源

By surface analysis, cardi- + -oid.

来源：wiktionary