Definition of comma splice in English:

comma splice

noun

Grammar
  • An instance of using a comma to link two independent clauses (which should instead be linked by a colon, semicolon, or conjunction), as in he loves cooking, he's great at making curries.

Usage

The comma splice joins two clauses that are complete in their own right. While it may reflect how a sentence would be read if spoken aloud, it should be avoided in formal or academic writing