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The Clue
Doctrine since the 1850's (9 letter answer)
The Answer
EVOLUTION
Tags
Notes
The answer EVOLUTION is so rare that it appears less than once every 2500 puzzles.
Related Clues
Change of life
Definition
EVOLUTION as a noun:
1. (development, evolution) = a process in which something passes by degrees to a different stage (especially a more advanced or mature stage); "the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer"
2. (evolution, organic evolution, phylogeny, phylogenesis) = (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms