nextaftersecond
adverbUK /ˌnekstˈɑːftəˌsekənd/
US /ˌnekstˈæftərˌsekənd/
Right after one second has passed.
The timer beeped, and nextaftersecond the light turned green.
OTHER MEANINGS
2. At the very next second in a sequence.
Nextaftersecond, the train doors closed.
3. Following a one-second pause.
She blinked, and nextaftersecond the magician was gone.
4. Happening in the second that comes right after now.
Nextaftersecond, the race will start.