English Dictionary

grey goo

noun

A hypothetical end-of-the-world event involving nanotechnology, in which out-of-control self-replicating nanobots consume all life on Earth.

Grey goo is a hypothetical scenario in which self-replicating nanobots consume all matter on Earth.

意味（1）

A hypothetical end-of-the-world event involving nanotechnology, in which out-of-control self-replicating nanobots consume all life on Earth.