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.
Noun. 1. anachronism-something located at a time when it could not have existed or occurred. misdating, mistiming. timekeeping-the act or process of determining the time.