Ma'anar ƙamus na kalmar "racemic acid" tana nufin cakuda daidaitattun adadin enantiomers guda biyu ( madubi-image isomers) na wani sinadari da aka sani da "carboxylic acid." Waɗannan eantiomers suna da sinadarai iri ɗaya da kaddarorin jiki, sai dai suna jujjuya jirgin sama na hasken wuta a wasu wurare dabam dabam. Cakudar tseren, don haka, baya nuna wani aikin gani na yanar gizo.
