Definition of ductile in English:



  • 1(of a metal) able to be drawn out into a thin wire.

    • ‘The nonmetals are neither malleable nor ductile; if drawn out or hammered, they shatter.’
    • ‘The current trend is to the more rational approach of basing the static design of ductile metals on the yield strength.’
    • ‘Iron is a silvery white or grayish metal that is ductile and malleable.’
    • ‘It is the most ductile and malleable of all metals.’
    • ‘Zirconium and zirconium-tin alloys are ductile metals and can be prepared by conventional processes.’
    • ‘Copper is a fairly soft, reddish brown metal that is quite ductile.’
    • ‘These steels remain ductile at the lowest resting temperatures.’
    • ‘Lutetium is a silvery white metal that is quite soft and ductile.’
    • ‘The straight sections of the side members are made of high-strength steel, a very ductile grade of material, selected specifically for high energy absorption.’
    • ‘Nickel is a silvery white metal and is both ductile and malleable.’
    • ‘However, the structural steel is more ductile and has a greater total elongation.’
    • ‘Iridium is neither very ductile nor malleable at room temperature, although it becomes more ductile at higher temperatures.’
    • ‘Palladium is a relatively soft, silver-white metal that is both malleable and ductile.’
    • ‘The process is readily adaptable to joining ductile metals.’
    • ‘Lanthanum is a white metal that is both ductile and malleable.’
    • ‘Extremely ductile, a gram of silver may be drawn out into a wire 180 meters long.’
    • ‘Zinc is a bluish white metal that is neither ductile nor malleable.’
    • ‘Hafnium is a bright, silvery gray metal that is very ductile.’
    • ‘Niobium is a ductile and soft metal at elevated temperatures.’
    • ‘Despite Cal's returned stare he remained defiant in his obvious scrutiny of Cal from behind the glossy sheen of spectacles framed in yet more ductile gold.’
    1. 1.1 Able to be deformed without losing toughness; pliable, not brittle.
      • ‘Some are ductile and others brittle since the transition temperature is near room temperature.’
      • ‘We plan to do additional work to improve the quality of carbon nanotube dispersion and use more ductile binder resins.’
      • ‘We use a special epoxy developed by 3M which is more ductile (less brittle) which optimizes performance when subject to a vibrating load.’
      • ‘It is important to note that potassium feldspar did not deform in a ductile fashion during post-peak-metamorphic deformation.’
      • ‘Thus this fault zone also appears to have a ductile history with a brittle overprint.’
      • ‘Simply put, the micro-cracking of the more brittle cement matrix engages the more ductile fibers in resisting the load.’
      • ‘Internal thickening of units is common and can be very difficult to evaluate, particularly in the shaly units that deform on the large scale in a ductile manner.’
      • ‘These are predominantly ductile structures that were overprinted by more brittle structures at later stages.’
      • ‘The sedimentary units in the hanging wall were deposited in fault-bounded basins while their footwalls progressively emerged through the ductile and brittle crust.’
      • ‘This dilated carapace is weak, slippery and ductile when wet, but brittle and elastic when dry.’
      • ‘As is well known, a normally ductile material will fail in brittle mode at high enough strain rate and the transient pressure could rise well above that required for fracture if source build-up rate exceeded its discharge rate.’
      • ‘The ductile structures show a progressive evolution into semi-ductile and brittle deformation.’
      pliable, pliant, flexible, supple, plastic, tensile, tractile
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Middle English (in the sense ‘malleable’): from Latin ductilis, from duct- ‘led’, from the verb ducere.