complementary base

noun Genetics.

either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA: guanine is the complementary base of cytosine, and adenine is the complementary base of thymine in DNA and of uracil in RNA.

Nearby words

  1. complementarity principle,
  2. complementary,
  3. complementary air,
  4. complementary angle,
  5. complementary angles,
  6. complementary cells,
  7. complementary color,
  8. complementary colour,
  9. complementary distribution,
  10. complementary dna

Compare base pair. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019