the lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field
a device for showing the operating condition of some system
a signal for attracting attention
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
during the intervening time; "meanwhile I will not think about the problem"; "meantime he was attentive to his other interests"; "in the meantime the police were notified"
at the same time but in another place; "meanwhile, back at the ranch..."
at an earlier time or formerly; "she had previously lived in Chicago"; "he was previously president of a bank"; "better than anything previously proposed"; "a previously unquestioned attitude"; "antecedently arranged"