English edit

Etymology edit

pre- +‎ eruptive

Adjective edit

preeruptive (not comparable)

  1. Prior to the formation of eruptions
    • 2016, P. Duchlev, K. Kolevaa, M. S. Madjarska, M. Dechev, “Homologous prominence non-radial eruptions: A case study”, in arXiv[1]:
      We find a distinctive sequence of three activation periods each of them containing preeruptive precursors such as a brightening and enlarging of the prominence body followed by small surge- like ejections from its southern end observed in the radio 17 GHz.