Shirabe
膨張式

膨張ぼうちょう

Common Noun Irregular Intransitive
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb expansion;swelling;increase;growth
多くの天文学者は、宇宙は永遠に膨張してゆくものだと考えている。
Many astronomers assume that the universe expands infinitely.
Other forms 膨脹 【ぼうちょう】
English jmdict
1
noun (common) (futsuumeishi) inflatable (in the sense of "needs to be inflated for normal use")