1. decapping - Noun
2. decapping - Verb
decapping
present participle of decap
decapping (plural decappings)
The removal of a cap, especially the enzymatic removal of a cap from mRNA.
Removal of the primer, called decapping, in reference to primers being often previously called primer caps or just caps, is usually done with a die containing a steel pin that punches out the primer. Source: Internet
The first die of either set performs the sizing and decapping operation, except in some cases in the 3 die set, where decapping may be done by the second die. Source: Internet