Titanium (element)
鈦 centers on the metallic element titanium. It is a specialized character with no extended abstract meanings.
鈦 is a modern character created to represent the element titanium. It combines the metal radical 金 with the phonetic component 太 (タ), following the typical pattern for chemical element kanji.
The left side 金 means metal, and the right side 太 looks like a person standing firmly. Picture a strong, lightweight metal person made of titanium.
For タ, imagine a titanium tack: tack -> タ, and the metal tack is made of titanium.