epiboly

noun

epib·​o·​ly i-ˈpi-bə-lē 

plural epibolies

: the growing of one part about another

especially : such growth of the dorsal lip area during gastrulation

epibolic

ˌe-pə-ˈbä-lik 

adjective

Word History

Etymology

Greek epibolē addition, from epiballein to throw on, from epi- + ballein to throw — more at devil

First Known Use

1875, in the meaning defined above

Medical Definition

epiboly

noun

epib·​o·​ly

variants also epibole

i-ˈpib-ə-lē 

plural epibolies also epiboles -lēz 

: the growing of one part about another

especially : such growth of the dorsal lip area during gastrulation

epibolic

ˌep-ə-ˈbäl-ik 

adjective