• WordNet 3.6
    • n tenacity persistent determination
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Webster's Revised Unabridged Dictionary
    • Tenacity That quality of bodies which keeps them from parting without considerable force; cohesiveness; the effect of attraction; -- as distinguished from brittleness fragility mobility, etc.
    • Tenacity That quality of bodies which makes them adhere to other bodies; adhesiveness; viscosity.
    • Tenacity (Physics) The greatest longitudinal stress a substance can bear without tearing asunder, -- usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.
    • Tenacity The quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose.
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Century Dictionary and Cyclopedia
    • n tenacity The property or character of being tenacious, in any sense. Specifically— Firmness of hold or of purpose; obstinacy.
    • n tenacity Retentiveness, as of memory.
    • n tenacity Adhesiveness; that property of matter by virtueof which things stick or adhere to others; glutinousness; stickiness.
    • n tenacity That property of material bodies by which their parts resist an effort to force or pull them asunder; also, the measure of the resistance of bodies to tearing or crushing: opposed to brittleness or fragility. Tenacity results from the attraction of cohesion which exists between the particles of bodies, and the stronger this attraction is in any body the greater is the tenacity of the body. Tenacity is consequently different in different materials, and in the same material it varies with the state of the body in regard to temperature and other circumstances. The resistance offered to tearing is called absolute tenacity, that offered to crushing retroactive tenacity. The tenacity of wood is much greater in the direction of the length of its fibers than in the transverse direction. With regard to metals, the processes of forging and wire-drawing increase their tenacity in the longitudinal direction; and mixed metals have, in general, greater tenacity than those which are simple. See cohesion.
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Chambers's Twentieth Century Dictionary
    • ns Tenacity quality of being tenacious: the quality of bodies which makes them stick to others
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  • James V. Forrestal
    James V. Forrestal
    “Courage is the capacity to conduct oneself with restraint in times of prosperity and with courage and tenacity when things do not go well.”
  • Louis Pasteur
    “Let me tell you the secret that has led me to my goal, My strength lies solely in my tenacity.”
  • Elbert Hubbard
    “Luck is tenacity of purpose.”
  • Thomas H. Huxley
    “Patience and tenacity of purpose are worth more than twice their weight of cleverness.”
  • Ralph Waldo Emerson
    “I know of no such unquestionable badge and ensign of a sovereign mind as that of tenacity of purpose...”
  • Mahatma Gandhi
    “The history of the world is full of men who rose to leadership, by sheer force of self-confidence, bravery and tenacity.”


Webster's Revised Unabridged Dictionary
L. tenacitas,: cf. F. ténacité,. See Tenacious
Chambers's Twentieth Century Dictionary
L. tenaxtenēre.


In literature:

They were marked by certain weaknesses, but as a rule inherited a slow tenacity from their Indian ancestors.
"The Lure of the North" by Harold Bindloss
Benares is crowded with examples of the same unconscious tenacity.
"New Ideas in India During the Nineteenth Century" by John Morrison
It is only a question of their tenacity.
"Handbook of Home Rule (1887)" by W. E. Gladstone et al.
Holding on with desperate tenacity to the knife, both clinched with their left hands.
"Lippincott's Magazine, August, 1885" by Various
Soluble glass both stiffens and weakens the stuff, depriving it both of elasticity and tenacity.
"The Art of Travel" by Francis Galton
But the prevailing note was one of utter weariness coupled with dogged tenacity.
"A Student in Arms" by Donald Hankey
The tenacity of life displayed by BULL is paralleled by a case quoted by LE VAILLANT.
"Punch, or the London Charivari, Vol. 1, September 12, 1841" by Various
He was a man, with a man's trained tenacity of purpose and experienced quickness of resource.
"The Brimming Cup" by Dorothy Canfield Fisher
The tenacity of the old superstition is extraordinary, and we can see it in the case of Canada.
"The Framework of Home Rule" by Erskine Childers
And as regards the tenacity of those convictions, it is with them as it is in plant life.
"Origin of the Anglo-Boer War Revealed (2nd ed.)" by C. H. Thomas

In news:

The Pulitzer Prize-winning columnist, who died Wednesday, set an example of fairness and tenacity.
Crone has the tenacity to make it work, says Evans, who was Crone 's boss when both worked in the supply chain practice at Andersen Consulting in the mid-1990s.
Savannah business leader chases success with tenacity .
US Sen Arlen Specter's roots inspired tolerance, tenacity , friends say at Pa.
The tenacity of NASCAR's Jeff Gordon.
Tony Scott's tenacity was on display with 'Unstoppable'.
In Times Of Drought, Movies Show Tenacity Of Life.
A gold medalist's tenacity inside a youthful demeanor.
Dedication, tenacity made recovery possible.
Local lawmen's tenacity paid off.
Key to job hunt is tenacity .
Knights' trademark tenacity fuels club's semifinal win.
Trixia Apiado of Kettering lost her dream trip to Italy and Greece because of a visa snafu, but she learned an all-American lesson in tenacity .
RG3, Redskins need newfound ' tenacity ' and 'attitude' to continue on Thanksgiving vs Cowboys.
John Starks never stopped hustling on the basketball court, so it's not a surprise that he has brought that same tenacity to his life after playing.

In science:

Likewise, Warren’s tenacity for getting dead argon lasers, circuits, ion traps, and graduate students running again demonstrates a deep reserve of patience and experience I only wish to inherit.
Single barium ion spectroscopy: light shifts, hyperfine structure, and progress on an optical frequency standard and atomic parity violation
As usual, I benefitted a lot from the tenacity and wisdom of my collaborators David Broadhurst and Alain Connes.
Feynman diagrams and polylogarithms: shuffles and pentagons