n. any barrier which impedes or obstructs the flow of a process or function. This barrier can be physical, mental, biochemical, or psychological. For instance, the flow of thought may be interrupted or stopped in a mental block. See retrieval block.

BLOCK: "A mental block happens when you don't quite know how or where to start in what you're meant to write and say."
Cite this page: N., Pam M.S., "BLOCK," in, April 7, 2013, (accessed July 14, 2020).