transcription, транскрипция: [ ˈa-pə-ˌtīt ]
noun
Etymology: German Apatit, from Greek apatē deceit
Date: 1803
: any of a group of calcium phosphate minerals occurring in various colors as hexagonal crystals, as granular masses, or in fine-grained masses as the chief constituent of phosphate rock and of bones and teeth ; especially : calcium phosphate fluoride