conchoid
noun
con·choid
ˈkäŋˌkȯid,
ˈkänˌ- also ˈkȯŋˌ-
plural -s
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
Word History
Etymology
Greek konchoeidēs, literally, conchlike, from konch- conch- + -oeidēs -oid
- pteridophytae
- pteridophytas
- pteridophyte
- pteridophytes
- pteridophytic
- pteridophytous
- pteridosperm
- Pteridospermae
- pteridospermaes
- Pteridospermaphyta
- pteridospermaphytae
- pteridospermaphytas
- pteridospermaphytic
- pteridospermopsidae
- pteridospermopsidas
- pteridospermous
- pteridosperms
- Pteriidae
- pteriidaes
- pterin
- pterins
- Pteris
- pterises
- pterisses
- pternohylae