base-pairing definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The hydrogen bonding of complementary nitrogenous bases, one purine and one pyrimidine, in DNA and in hybrid molecules joining DNA and RNA.
base-pairing - Science Definition
The hydrogen bonding of complementary nitrogen bases, one purine and one pyrimidine. Base-pairing occurs between the complementary strands of a DNA molecule or a DNA/RNA hybrid, and in the complementary pairing of codons and anticodons during the process of translation.