Prebiotics and probiotics are the big thing just now at the crossover point between theories of diet, longevity and plain old hypochondria.

In multithreaded systems, the crossover point itself tends to become a single point of failure.

The line therefore effectively works as a low pass filter, another crossover point in fact, achieved acoustically by the line and its absorbent filling.

This research provided an additional crossover point from his work on staple products to his communications studies.

During rising engine speed, a slight lurch can occur at the crossover point and an experienced driver will be able to detect the shift in performance.