間かん氷ぴょう期きかんぴょうきMeanings1nouninterglacial period; interglacialgeologyGeological term for a warm period between glacial periods within an ice age.現げん在ざいは約やく1万まん年ねん前まえから続つづく間かん氷ぴょう期きにあたる。The present is an interglacial period that began about 10,000 years ago.