Word.ws English Dictionary

Dollo's law

Dollo's law proper noun: the hypothesis that evolution is not reversible.

Proper noun

Dollo's law

  1. The hypothesis that evolution is not reversible.

Origin of Dollo's law

Proposed in 1893 by French-born Belgian paleontologist Louis Dollo.

Questions about Dollo's law

What does Dollo's law mean?
Dollo's law means the hypothesis that evolution is not reversible.
What part of speech is Dollo's law?
Dollo's law is a proper noun.

Words near Dollo's law in the dictionary

  1. dollmaker
  2. dollmakers
  3. dollmaking
  4. dollman
  5. dollmans
  6. Dollo's law
  7. Dolloff
  8. Dolloffs
  9. dollop
  10. dolloped
  11. dolloping

Source and license

Adapted from Wiktionary: Dollo's law (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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