darwin
Proposed by a contributor, not yet supported by evidence.
Also seen as: darwins
Meaning · English
A unit of evolutionary change in evolutionary biology.
Noun
Examples
One darwin (d) equals the rate of evolution that would produce a change in size by a factor of approximately 2.7 in one million years.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “darwin” mean?
A unit of evolutionary change in evolutionary biology.
Is “darwin” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.