What is "deathgrind"

Deathgrind (sometimes written as death-grind or death/grind) is a fusion of death metal and grindcore. The genre, along with pornogrind, is related to the goregrind subgenre. Zero Tolerance described deathgrind as "grindcore and brutal death metal colliding head on." Danny Lilker described deathgrind as "combining the technicality of death metal with the intensity of grindcore."