plural phylogenies
Definition of phylogeny
1
: the evolutionary history of a kind of organism
2
: the evolution of a genetically related group of organisms as distinguished from the development of the individual organism
3
: the history or course of the development of something (such as a word or custom)
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share phylogeny
Time Traveler for phylogeny
The first known use of phylogeny was in 1869
See more words from the same year