BharatNotes Ductile
adjectiveUsage in a UPSC answer
A resilient democracy must remain ductile rather than brittle, bending to accommodate dissent and reform without fracturing its constitutional core under the pressures of social change.
Synonyms
Antonyms
Word Family
ductility (n), ductilely (adv), ductileness (n), duct (n), deduct (v)
Root
Latin ductilis = that may be led or drawn; ductus (past participle of dūcere) = to lead, draw
Etymology
From Latin ductilis (that may be led or drawn), from ductus, past participle of dūcere (to lead or draw); first recorded in English in the 14th century.
Memory Hook
Think of a "duct" — a flexible pipe that can be drawn and bent into shape; like Latin ducere ('to lead/draw'), a ductile metal is led out into wire. A leader who can be led is "ductile".
How This Word Works in UPSC Writing
Able to be drawn out into wire without breaking. It rests on the same metallic bonding as malleability but under tension rather than compression, which is why the two properties usually accompany each other without being identical. Copper is the practical case that matters, being drawn into wire for electrical distribution because it combines high ductility with high conductivity, and aluminium replaces it in overhead transmission lines chiefly on grounds of weight and cost. Two qualifications are worth carrying. Ductility falls as temperature falls, and some steels pass through a ductile to brittle transition on cooling, which is a recognised cause of structural failure in cold conditions. And ductility is not strength: a material can be strong yet brittle, like glass, or comparatively weak yet very ductile, like pure lead.
Don’t Confuse It With
Ductile means drawable into wire under tension, while malleable means beatable into sheets under compression. Brittle is the opposite of both, fracturing with negligible plastic deformation. Tensile strength is how much stress a material bears before failing, whereas ductility is how much it deforms before failing, and the two often trade against each other. The ductile to brittle transition is the temperature below which a normally ductile metal fractures without warning.
Hindi Meaning
तन्य (tanya); तन्यता for ductility.
Common Questions
- What is ductility?
- The ability of a material to be drawn out into a thin wire without breaking.
- Are all metals ductile?
- No. Most are, but zinc is brittle at room temperature and becomes workable only on warming, and many metals lose ductility as temperature falls.
Tip: press Alt+S to hear pronunciation
