Abhuman is a term used to distinguish a separation from normal human existence.
The term was used by William Hope Hodgson in his 1912 novel The Night Land and his Carnacki stories.
[1][2][3] Similar concepts, although not the term itself, also appear in the works of Arthur Conan Doyle, Rudyard Kipling, and Bram Stoker among other notable American and British authors.
[4] The term is also used within the fictional universe of Warhammer 40,000 to refer to populations of humans who have mutated, naturally or otherwise, to adapt to extreme environmental conditions.
[7] Allan Lloyd-Smith writes that among "the sources of abhuman Gothic horror for many writers at this time were the urban squalor and misery of overcrowded cities".