Noun[edit] malapropism â(plural malapropisms) (uncountable) The blundering use of an absurdly inappropriate word or expression in place of a similar-sounding one.
Definition of positron. : a positively charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron âcalled also antielectron.
ectopic in Medicine. ectopic ecÂ·topÂ·ic (Äk-tÅp'Ä­k) adj. Out of place, as of an organ not in its proper position, or of a pregnancy occurring elsewhere than in the cavity of the uterus. Of or relating to a heartbeat that has its origin elsewhere than in the sinoatrial node.