Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

base pair

noun

Definition of base pair

  1. :  one of the pairs of nucleotide bases on complementary strands of nucleic acid that consist of a purine on one strand joined to a pyrimidine on the other strand by hydrogen bonds holding together the two strands much like the rungs of a ladder and that include adenine linked to thymine in DNA or to uracil in RNA and guanine linked to cytosine in both DNA and RNA



1956

First Known Use of base pair

1956


Medical Dictionary

1

base pair

play
noun \-ˈpa(ə)r, -ˈpe(ə)r\

Medical Definition of base pair

  1. :  one of the pairs of nucleotide bases on complementary strands of nucleic acid that consist of a purine on one strand joined to a pyrimidine on the other strand by hydrogen bonds holding together the two strands much like the rungs of a ladder and that include adenine linked to thymine in DNA or to uracil in RNA and guanine linked to cytosine in both DNA and RNA



Illustration of base pair


2

base pair

intransitive verb

Medical Definition of base pair

  1. :  to participate in formation of a base pair <adenine base pairs with thymine>




Learn More about base pair

  1. Medical Dictionary: Definition of base pair


Seen and Heard

What made you want to look up base pair? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to criticize in a loud and angry way

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

lazy philistine melancholy frenetic
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ