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titanium

noun
🔊/tɪˈteɪniəm/, 🔊/taɪˈteɪniəm/
🔊/tɪˈteɪniəm/, 🔊/taɪˈteɪniəm/
 [uncountable]
(symbol Ti)
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  1. a chemical element. Titanium is a silver-white metal used in making various strong, light materials.钛Topics Physics and chemistryc2
    Word Originlate 18th cent.: from Titan, on the pattern of uranium.