チタンチタンCommon wordFreq.FrequencyTop 20,000Meanings1nountitanium (Ti)The chemical element with atomic number 22. Used in alloys, medical implants, and aerospace materials.from German Titanチタンは軽かるくて丈じょう夫ぶな金きん属ぞくです。Titanium is a light and strong metal.この眼鏡めがねのフレームはチタン製せいです。The frame of these glasses is made of titanium.