frameshift

This term is a highly specialized technical expression used almost exclusively in genetics and molecular biology. It describes a catastrophic error in the translation of genetic code, where the entire reading frame of a DNA or RNA sequence is displaced, typically leading to a non-functional protein or a premature stop codon.

In a clinical or research context, the word carries a strong connotation of disruption and dysfunction. It is rarely used metaphorically in general English, as its meaning is tied strictly to the triplet nature of codons in biological sequences.