• WordNet 3.6
    • adj extinct (of e.g. volcanos) permanently inactive "an extinct volcano"
    • adj extinct being out or having grown cold "threw his extinct cigarette into the stream","the fire is out"
    • adj extinct no longer in existence; lost or especially having died out leaving no living representatives "an extinct species of fish","an extinct royal family","extinct laws and customs"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: A language becomes extinct in this world every two weeks
    • Extinct Extinguished; put out; quenched; as, a fire, a light, or a lamp, is extinct; an extinct volcano. "Light, the prime work of God, to me is extinct ."
    • Extinct Once existing as a species but now having no living members; -- used of species of living organisms, especially of animals and plants; as, dinosaurs are now extinct; the dodo bird is extinct .
    • v. t Extinct To cause to be extinct.
    • Extinct Without a survivor; without force; dead; as, a family becomes extinct; an extinct feud or law.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Each day, anywhere from 35-150 species of life go extinct
    • extinct Extinguished; put out; quenched.
    • extinct Having ceased; being at an end; out of existence or out of force; terminated: as, an extinct family or race; an extinct law.
    • n extinct Extinction.
    • extinct To put out; destroy.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: Every ten minutes, another plant or animal life form becomes extinct.
    • adj Extinct eks-tingkt′ put out: extinguished: no longer existing: dead
    • ***


  • W. Somerset Maugham
    “You know that the Tasmanians, who never committed adultery, are now extinct.”
  • T. S. Eliot
    “The progress of an artist is a continual self-sacrifice, a continual extinction of personality.”
  • Samuel Butler
    “Birth and death are so closely related that one could not destroy either without destroying the other at the same time. It is extinction that makes creation possible.”
  • Calvin Coolidge
    “The government of the United States is a device for maintaining in perpetuity the rights of the people, with the ultimate extinction of all privileged classes.”
  • Ezra Pound
    “Man is an over-complicated organism. If he is doomed to extinction he will die out for want of simplicity.”
  • Marcus T. Cicero
    “That last day does not bring extinction to us, but change of place.”


Webster's Revised Unabridged Dictionary
L. extinctus, exstinctus, p. p. of extinguere, exstinguere,. See Extinguish


In literature:

Here he saw Napoleon, returned from Elba, his star in full blaze before its final extinction.
"Albert Gallatin" by John Austin Stevens
Other Spanish words, once familiar, are now extinct.
"English Past and Present" by Richard Chevenix Trench
We are only at peace when desires and dreads are, if not extinct, at all events held tightly in.
"Expositions of Holy Scripture" by Alexander Maclaren
They are now an extinct race.
"The Boy Hunters" by Captain Mayne Reid
Any volcano, although considered extinct, may evidently again burst forth.
"The Secret of the Island" by W.H.G. Kingston (translation from Jules Verne)
Why did not Napoleon order the immediate extinction of mendicancy?
"Selected Essays" by Karl Marx
Now we two, of one mind, shall die in {the extinction of} one life.
"The Metamorphoses of Ovid" by Publius Ovidius Naso
Don Roberto Yorba had escaped the pecuniary extinction that had overtaken his race.
"The Californians" by Gertrude Franklin Horn Atherton
Death is not the extinction of being.
"Gathering Jewels" by James Knowles and Matilda Darroch Knowles
Freedom from perpetual transmigration in these six worlds is attained only through the extinction of desire.
"Chinese Painters" by Raphael Petrucci
Their chief objects were the maintenance of the predominant faith in its considered purity, and the extinction of heretical opinions.
"Mysticism and its Results" by John Delafield
The internal organs may not vary quick enough, and then the animal will decrease in numbers, and finally become extinct.
"Contributions to the Theory of Natural Selection" by Alfred Russel Wallace
The first fact geology proclaims is immense number of extinct forms, and new appearances.
"The Foundations of the Origin of Species" by Charles Darwin
The proportional numbers of its inhabitants would almost immediately undergo a change, and some species might become extinct.
"On the Origin of Species by Means of Natural Selection" by Charles Darwin
The Chief Justice, Sir John Pedder, opposed the removal altogether: too truly he judged, it would be followed by rapid extinction.
"The History of Tasmania , Volume II (of 2)" by John West
If a family becomes extinct, its share returns to the common stock.
"Ancient Law" by Sir Henry James Sumner Maine
Unlike the beaver, the race of the muskrat is not likely soon to become extinct.
"The Hunters' Feast" by Mayne Reid
Of extinct species the number was probably at least as great.
"The Beauties of Nature" by Sir John Lubbock
On October 3, Santa Fe was entered, and near it many more remains of large extinct mammals were found.
"Life of Charles Darwin" by G. T. (George Thomas) Bettany
The vividest little flame of desire was extinct in her for ever.
"The Rainbow" by D. H. (David Herbert) Lawrence

In poetry:

The species Man and Marmozet
Are intimately linked;
The Marmozet survives as yet,
But Men are all extinct.
"The Marmozet" by Hilaire Belloc
And they heed but transitory
Marketings in cheese and meat,
Till I judge that Lodi's story
Is extinct in Lodi's street.
"The Bridge Of Lodi" by Thomas Hardy
Of a giant or extinct
Animal, come from another
Age, another planet surely. Flanked
By the orange and fuchsia bonfire
Of azaleas, sacrosanct
"Child's Park Stones" by Sylvia Plath
To make the matter more succinct:
Suppose my fellow man extinct.
Why, who would not approve the plan
Save possibly my fellow man?
Yet with a politician's voice
He names himself as Nature's choice.
"À Bas Ben Adhem" by Ogden Nash
Consider the auk;
Becoming extinct because he forgot how to fly, and could only walk.
Consider man, who may well become extinct
Because he forgot how to walk and learned how to fly before he thinked.
"A Caution To Everybody" by Ogden Nash
Without extinction is Liberty! without retrograde is Equality!
They live in the feelings of young men, and the best women;
Not for nothing have the indomitable heads of the earth been always
ready to fall for Liberty.
"As I Sat Alone" by Walt Whitman

In news:

The tiny Pacific nation is fighting to protect more than 130 species fighting extinction in the Pacific Ocean.
Paleolithic Hunters Contributed to Extinction of Woolly Mammoths.
Who worked as a technical advisor on Steven Spielberg's 'Jurassic Park,' said he has an idea of his own to resurrect the long extinct creatures and he wants to try it.
They've been a part of virtually every make and model ever built around the world, but soon, they could be come extinct.
Life in the Sea Found Its Fate in a Paroxysm of Extinction.
IN DANGER Corals are the most vulnerable creatures in the ocean, just as they were during the Permian extinction.
The calculations add to a growing body of research linking these great blasts, called gamma-ray bursts, with biological damage and even mass extinctions on Earth.
But it could be Mike Nesbitt's UUP leadership that faces extinction, says Alan Murray.
The situation for the last remaining Peruvian Plantcutter is extremely perilous, saving it from extinction will depend on saving its habitat in Talara.
Leakey team finds evidence of extinct relatives.
'Children of Men' imagines a near-future in which mankind faces extinction.
All The News That's Fit to Download: The Print Media Must Evolve or Face Extinction.
Are we witnessing the extinction of male psychotherapists .
The pygmy tarsier, one of the world's most endangered primates, was thought extinct until 2000, when one of them accidentally ended up dead in a rat trap.
Wood may be the only reason the magnificent ramshorn snail is not extinct.

In science:

The strength of the hump and the far ultraviolet extinction can vary both independently and with respect to the visual extinction.
Cosmic Dust in the 21st Century
The ultraviolet extinction would be an order of magnitude larger than visual extinction rather than a factor of 2 as in MW dust (see Fig. 1 and Fig. 7).
Cosmic Dust in the 21st Century
We note that the extinction per unit mass at V for the ¯a=0.05µm silicates is only 1/5 that of silicate paticles large enough (a ≈ 0.1µm) to give a more “normal” extinction curve.
Cosmic Dust in the 21st Century
Under severe extinction conditions, domain structure may relieve extinction and actually cause IB to increase.
Order Parameter Criticality of the d=3 Random-Field Ising Antiferromagnet Fe(0.85)Zn(0.15)F2
Separate types of particles (grains or molecules) with specific size distributions and extinction properties are assumed to be responsible for the extinction of light in each of these wavelength domains.
The incompatibilities between the standard theory of interstellar extinction and observations
The extinction curve can be normalized by E (B − V ) = AB − AV , proportional to the slope of the extinction curve in the visible.
The incompatibilities between the standard theory of interstellar extinction and observations
Increasing the reddening of the stars, the extinction law deviates from the 1/λ linear extinction in the far-UV first, whereas the linear visible extinction law still extends to the bump region (Zagury, 2000b).
The incompatibilities between the standard theory of interstellar extinction and observations
As a super-critical Galton-Watson branching process, U ′ has a positive probability of non-extinction, and thus the number of restarts (following extinctions) is geometrically distributed.
Random MAX SAT, Random MAX CUT, and Their Phase Transitions
The agreement suggests that the steeper optical slope is probably caused by extinction in the host galaxy; some extinction is expected for the host column density of NH = (4.7 ± 3.7) × 1021 cm−2 determined from X-ray observations (Mirabal et al. 2003a).
The Diversity of Gamma-Ray Bursts and the Surroundings of Massive Stars
We collected the optical and near infrared magnitudes of these nine GRB from the literature to study the extinction properties through the comparison of dust extinction models to the afterglow Spectral Energy Distribution (SED).
Absorption in Gamma Ray Burst afterglows
Four different extinction curves have been tested and best fit rest frame visual extinction AV r have been estimated.
Absorption in Gamma Ray Burst afterglows
The optical extinction is typically quantified by the extinction in the visual band.
Absorption in Gamma Ray Burst afterglows
Tables 7 and 8 give the best fit rest frame visual extinction AV r and the χ2 for the two different spectral index values obtained for νo < νc and νo > νc and the four extinction models.
Absorption in Gamma Ray Burst afterglows
Galama et al. (2003) found a rest frame visual extinction value comparable to the Lee et al. (2001) result by using the host galaxy extinction curve model by Reichart (2001).
Absorption in Gamma Ray Burst afterglows
For GRB 000926 rest frame extinction measured from our analysis are consistent with those of Fynbo et al. (2001), Price et al. (2001) and Harrison et al. (2001) using the Galactic or the SMC extinction curves and their derived spectral index.
Absorption in Gamma Ray Burst afterglows