tickless

Our suddenly tickless dog, now quite ticked-off, doesn't know who to kill first but by the time he rolls over, jaws snapping, the surgeons are practicing in the next county.

Maybe with the new technology, they might have tickless bombs. They've had tickless clocks for years. And they even have seedless watermelons. So a tickless bomb should be routine.

a tickless kernel; a tickless scheduler