different between rigidity vs firmness

rigidity

English

Etymology

rigid +? -ity, from Latin rigiditas.

Pronunciation

  • IPA(key): /???d???d?ti/

Noun

rigidity (countable and uncountable, plural rigidities)

  1. The quality or state of being rigid; lack of pliability; the quality of resisting change of physical shape
  2. The amount of resistance with which a body opposes change of form.
  3. Stiffness of appearance or manner; want of ease or elegance.
  4. (economics) stickiness (of prices/wages etc.). Describing the tendency of prices and money wages to adjust to changes in the economy with a certain delay.

Synonyms

  • rigidness

Antonyms

  • flexibility
  • ductility
  • malleability
  • softness

Translations

References

  • rigidity in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

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firmness

English

Etymology

firm +? -ness

Pronunciation

  • (General American) IPA(key): /?f?mn?s/
  • (Received Pronunciation) IPA(key): /?f??mn?s/
  • Hyphenation: firm?ness

Noun

firmness (countable and uncountable, plural firmnesses)

  1. The state of being firm
    1. security; steadfastness; good grip
    2. strictness; mental strength
      • France, for the first time since the death of Charlemagne, was governed by a prince of great firmness and ability.
    3. physical durability; rigidness (of material)

Translations

References

  • firmness in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

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