Definition of ductile in English:

ductile

adjective

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

    • ‘Zirconium and zirconium-tin alloys are ductile metals and can be prepared by conventional processes.’
    • ‘However, the structural steel is more ductile and has a greater total elongation.’
    • ‘The process is readily adaptable to joining ductile metals.’
    • ‘The current trend is to the more rational approach of basing the static design of ductile metals on the yield strength.’
    • ‘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.’
    • ‘Nickel is a silvery white metal and is both ductile and malleable.’
    • ‘Zinc is a bluish white metal that is neither ductile nor malleable.’
    • ‘Lanthanum is a white metal that is both ductile and malleable.’
    • ‘Iron is a silvery white or grayish metal that is ductile and malleable.’
    • ‘Hafnium is a bright, silvery gray metal that is very ductile.’
    • ‘The nonmetals are neither malleable nor ductile; if drawn out or hammered, they shatter.’
    • ‘Copper is a fairly soft, reddish brown metal that is quite ductile.’
    • ‘Niobium is a ductile and soft metal at elevated temperatures.’
    • ‘It is the most ductile and malleable of all metals.’
    • ‘Palladium is a relatively soft, silver-white metal that is both malleable and ductile.’
    • ‘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.’
    • ‘These steels remain ductile at the lowest resting temperatures.’
    • ‘Extremely ductile, a gram of silver may be drawn out into a wire 180 meters long.’
    • ‘Iridium is neither very ductile nor malleable at room temperature, although it becomes more ductile at higher temperatures.’
    1. 1.1Able to be deformed without losing toughness; pliable, not brittle.
      • ‘We use a special epoxy developed by 3M which is more ductile (less brittle) which optimizes performance when subject to a vibrating load.’
      • ‘The sedimentary units in the hanging wall were deposited in fault-bounded basins while their footwalls progressively emerged through the ductile and brittle crust.’
      • ‘Some are ductile and others brittle since the transition temperature is near room temperature.’
      • ‘Thus this fault zone also appears to have a ductile history with a brittle overprint.’
      • ‘It is important to note that potassium feldspar did not deform in a ductile fashion during post-peak-metamorphic deformation.’
      • ‘We plan to do additional work to improve the quality of carbon nanotube dispersion and use more ductile binder resins.’
      • ‘The ductile structures show a progressive evolution into semi-ductile and brittle deformation.’
      • ‘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.’
      • ‘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.’
      • ‘This dilated carapace is weak, slippery and ductile when wet, but brittle and elastic when dry.’
      pliable, pliant, flexible, supple, plastic, tensile, tractile
      View synonyms

Origin

Middle English (in the sense ‘malleable’): from Latin ductilis, from duct- ‘led’, from the verb ducere.

Pronunciation

ductile

/ˈdʌktʌɪl/