więc

1. ergo, so, therefore
2. (obsolete) in addition, as well as, too

tu

• Adv

  1. here (at this place)
  2. here; hither (to this place)
  3. here; now (at this time)

• Particle

pewne

1. inflection of pewny:
2. inflection of pewny:

rozszczepienie

1. fission
2. verbal noun of rozszczepić