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.
optoisolator. 1  A semiconductor device which allows electrical signals to be transferred between circuits, devices, or systems, while maintaining electrical isolation between them. 2  synonym optical coupler. 3  synonym optical isolator.  synonym optical 1  link. synonym optically-coupled isolator.  synonym 1  optocoupler. synonym optoelectronic isolator.