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.
posits; posited; positing. Learner's definition of POSIT. [+ object] formal. : to suggest (something, such as an idea or theory) especially in order to start a discussion. Some astronomers have posited [=proposed, postulated] that the universe is made up of mysterious dark matter.