periodieke التعريفات والمعاني == Dutch == === Pronunciation === === Adjective === periodieke inflection of periodiek: masculine/feminine singular attributive definite neuter singular attributive plural attributive شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة periodieke tabel periodieken periodieke systeempjes periodieke systemen periodisk periodize periodiek periodikum periodisme