Definition of Grey goo

1. Noun. a hypothetical end of the world event involving nanotechnology in which out-of-control self-replicating nanobots consume all life on Earth ¹

¹ Source:

Lexicographical Neighbors of Grey Goo

grey-necked wood rail
grey-necked wood rails
grey-throated rail
grey-throated rails
grey alder
grey area
grey areas
grey crescent
grey crow
grey crows
grey eminence
grey fox
grey ghost
grey ghosts
grey goo (current term)
grey hat
grey hats
grey heron
grey herons
grey jay
grey magick
grey market
grey markets
grey matter
grey mullet
grey mullets
grey noise
grey nomad
grey nomads

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