可か塑そ性せい物ぶっ質しつかそせいぶっしつMeanings1nounplastic materialsTechnical term used in materials science and engineering to refer to substances that can be molded or shaped, typically polymers.可か塑そ性せい物ぶっ質しつは加か熱ねつすると柔やわらかくなる。