irregular comb. form (for SPERMATO-) of L. sperma or Gr. σπέρμα SPERM sb.1, used in various terms of Phys., Zool. and Bot.
The older and more important of these are given below; many others, as spermocarp, -centre, -coccus, -cyte, -duct, -lith, -nucleus, etc., appear in recent Dicts. or special scientific works.