| 释义 |
con·choid
\ˈkäŋˌkȯid, ˈkänˌ- also ˈkȯŋˌ-\ noun
(-s)
Etymology: Greek konchoeidēs, literally, conchlike, from konch- conch- + -oeidēs -oid
1. : a plane curve determined as the collection of pairs of points located on converging rays crossing a fixed line or curve from which each point of the pair is equidistant, measured along a ray
2. : bulb of percussion |