transcription, транскрипция: [ ˈthī-lə-ˌkȯid ]
noun
Etymology: International Scientific Vocabulary thylak- (from Greek thylakos sack) + -oid
Date: 1962
: any of the membranous disks of lamellae within plant chloroplasts that are composed of protein and lipid and are the sites of the photochemical reactions of photosynthesis