| Main Entry: | |
| Part of Speech: | noun |
| Definition: | pulse |
| Synonyms: | force, im, pulsation, pulse, throb, tick, time |
| Notes: | a heartbeat is a single complete pulsation of the heart or a very short space of time, while a pulse is the rate at which the heart beats or the underlying feeling, emotions, or sentiments of a group of people |
| Main Entry: | split second |
| Part of Speech: | noun |
| Definition: | very short time |
| Synonyms: | bat of an eye, blink of an eye, flash, fraction of a second, half a second, heartbeat, instant, jiffy, microsecond, millisecond, moment, nanosecond, nothing flat, twinkling |