echinulate

adjective

echi·​nu·​late i-ˈkin-yə-lət  -ˈkīn- 

-ˌlāt

1

: set with small spines or prickles

echinulate spores

2

: having a jagged outline with pointed outgrowths

an echinulate culture of bacteria

echinulation

-ˌkin-yə-ˈlā-shən  -ˌkīn- 

noun