For instance, many structural engineers rely on laboratory work, and engineering tests that they hire others to perform. These additional fees can drive the cost of any project up, but even more importantly, they can derail a program that was originally on schedule.
Word forms: plural gaps. 1. countable noun. A gap is a space between two things or a hole in the middle of something solid. He pulled the thick curtains together, leaving just a narrow gap. ...the wind tearing through gaps in the window frames.
Generation gap. A generation gap or generational gap, is a difference of opinions between one generation and another regarding beliefs, politics, or values. In today's usage, generation gap often refers to a perceived gap between younger people and their parents or grandparents.