ガリウムがりうむCommon wordFreq.FrequencyTop 100,000Meanings1noungallium (Ga)Chemical element with atomic number 31. A soft silvery metal that melts near room temperature.ガリウムは体たい温おんで溶とける金きん属ぞくとして知しられている。Gallium is known as a metal that melts at body temperature.