law of priority
Definition of law of priority
: a principle in taxonomy: the first properly published name of a species or genus takes precedence over any subsequently published — compare nomenclature, nomen conservandum
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share law of priority