Definitions

1. verb

to cause or become fissured or split; to burst or crack open

“The earthquake caused the ground to fissate and create deep cracks.”

2. verb (archaic)

to split or rend; to burst open

“The castle walls fissated under the weight of the invaders.”

3. verb (transitive)

to split or rend (something) into fissures or cracks

“The mechanic had to fissate the engine block to repair it.”

4. noun

a fissure or split in something

“The geologist studied the fissate in the rock face.”