Meaning of Tantalum



English: Tantalum
Bangla: ধাতব পদার্থ
Hindi: टैंटलम
Type: Noun / বিশেষ্য / संज्ञा
Synonym:
Antonym:


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Bangla Academy Dictionary:


Definition: 1

a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium: used, because of its resistance to corrosion by most acids, for chemical, dental, and surgical instruments and apparatus. Symbol: Ta; atomic weight: 180.948; atomic number: 73; specific gravity: 16.6.

Definition: 2

a hard greyish-white metallic element that occurs with niobium in tantalite and columbite: used in electrical capacitors in most circuit boards and in alloys to increase hardness and chemical resistance, esp in surgical instruments. Symbol: Ta; atomic no: 73; atomic wt: 180.9479; valency: 2, 3, 4, or 5; relative density: 16.654; melting pt: 3020°C; boiling pt: 5458±100°C