splicing

of RNA, of DNA
https://doi.org/10.1351/goldbook.S05885
  1. The procedure by which introns are removed from eukaryotic precursor mRNA molecules and adjacent exon sequences are joined together (spliced).
  2. Manipulation for joining together double-stranded DNA fragments with protruding single-stranded 'sticky ends' by means of ligases.
Source:
PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 166 (https://doi.org/10.1351/pac199264010143)