fis·sure 
/ˈfɪʃɚ/ noun
plural fis·sures /ˈfɪʃɚ/ noun [count] : a narrow opening or crack
▪ rock fissures ▪ a fissure in the Earth's crust ▪ a deep fissure in the ice — sometimes used figuratively ▪ ideological fissures in a political party
▪ rock fissures ▪ a fissure in the Earth's crust ▪ a deep fissure in the ice — sometimes used figuratively ▪ ideological fissures in a political party
— fis·sured /ˈfɪʃɚd/ adjective [more fissured; most fissured]
▪ a heavily fissured rock face
/ˈfɪʃɚd/ adjective [more fissured; most fissured] ▪ a heavily fissured rock face
