titaniumn. 鈦鈦Ti學術名詞鈦：化學元素、地球科學、電機工程、礦冶工程、材料科學、金屬材料鈦Ti：電力工程英文釋義a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite