• WordNet 3.6
    • n declination a polite refusal of an invitation
    • n declination (astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
    • n declination a downward slope or bend
    • n declination a condition inferior to an earlier condition; a gradual falling off from a better state
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Albert Einstein was offered the presidency of Israel in 1952, but he declined
    • declination etc., the change in the apparent latitude, longitude, etc., of a heavenly body, due to the effect of atmospheric refraction.
    • Declination The act of deviating or turning aside; oblique motion; obliquity; withdrawal. "The declination of atoms in their descent.""Every declination and violation of the rules."
    • Declination (Gram) The act of inflecting a word; declension. See Decline v. t., 4.
    • Declination The act or state of bending downward; inclination; as, declination of the head.
    • Declination The act or state of declining or refusing; withdrawal; refusal; averseness. "The queen's declination from marriage."
    • Declination The act or state of falling off or declining from excellence or perfection; deterioration; decay; decline. "The declination of monarchy.""Summer . . . is not looked on as a time
      Of declination or decay."
    • Declination (Astron) The angular distance of any object from the celestial equator, either northward or southward.
    • Declination (Dialing) The arc of the horizon, contained between the vertical plane and the prime vertical circle, if reckoned from the east or west, or between the meridian and the plane, reckoned from the north or south.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: In 1965, Congress authorized the Secret Service to protect former presidents and their spouses for their lifetime, unless they decline the protection. Recently, Congress limited the protection of former presidents and their spouses (elected after January 1, 1997) to 10 years after leaving office. President Clinton, who was elected in 1996, will be the last president to receive lifelong protection from the Secret Service.
    • n declination A bending or sloping downward; a sloping or bending from a higher to a lower level; subsidence: as, the declination of the shore.
    • n declination A falling to a lower or inferior condition; deterioration; decline: as, declination in or of vigor, virtue, morals, etc.
    • n declination Deviation from a right line; oblique motion.
    • n declination Deviation from the right path or course of conduct: as, a declination from duty.
    • n declination Aversion; disinclination.
    • n declination The act of declining, refusing, or shunning; refusal: as, a declination of an office.
    • n declination In astronomy, the distance of a heavenly body from the celestial equator, measured on a great circle passing through the pole and also through the body. It is equal to the complement of the polar distance of the body, and is said to be north or south according as the body is north or south of the equator. Great circles passing through the poles, and cutting the equator at right angles, are called circles of declination. Small circles parallel to the celestial equator are termed parallels of declination.
    • n declination The angle between the magnetic meridian and the geographical meridian of a place.
    • n declination In dialing, the arc of the horizon contained between the vertical plane and the prime vertical circle, if reckoned from east or west, or between the meridian and the plane, if reckoned from north or south.
    • n declination In grammar, declension; the inflection of a noun through its various terminations.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The only time the human population declined was in the years following 1347, the start of the epidemic of the plague 'Black Death' in Europe.
    • ns Declination act of declining: a sloping or bending downward: deviation:
    • ns Declination (astron.) distance from the celestial equator
    • ***


  • Germaine De Stael
    Germaine De Stael
    “When a noble life has prepared old age, it is not decline that it reveals, but the first days of immortality.”
  • Luis Bunuel
    “The decline of the aperitif may well be one of the most depressing phenomena of our time.”
  • John Keats
    “Land and sea, weakness and decline are great separators, but death is the great divorcer for ever.”
  • George Bancroft
    George Bancroft
    “Avarice is the vice of declining years.”
  • Johann Wolfgang Von Goethe
    “The decline in literature indicates a decline in the nation. The two keep pace in their downward tendency.”
  • Ezra Pound
    “If a nation's literature declines, the nation atrophies and decays.”


Webster's Revised Unabridged Dictionary
L. declinatio, a bending aside, an avoiding: cf. F. déclination, a decadence. See Declension
Chambers's Twentieth Century Dictionary
Fr. décliner—L. de, down, away from, clināre, to bend. See Lean.


In literature:

The Toba declined in number and influence.
"A history of China., [3d ed. rev. and enl.]" by Wolfram Eberhard
Mrs. Chepstow was a great beauty in decline.
"Bella Donna" by Robert Hichens
He lived and wrought; his labors were immense, But ne'er declined to preterperfect tense.
"Salem Witchcraft, Volumes I and II" by Charles Upham
From this, and from other equally well-known circumstances, it was surmised that Mr. Mildmay would decline the task proposed to him.
"Phineas Finn" by Anthony Trollope
When we decline a noun, we give all its different cases, or changes of endings.
"Latin for Beginners" by Benjamin Leonard D'Ooge
I decline to speculate or prophesy on that point.
"Liberalism and the Social Problem" by Winston Spencer Churchill
An inevitable sequence of polygamy is a decline of literature and science.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
Without any show of violence, but still with persistent determination, Madame Goesler's horse also declined to jump.
"Phineas Redux" by Anthony Trollope
There was evidently an advance technically, but some decline in the true spirit of art.
"A Text-Book of the History of Painting" by John C. Van Dyke
In cases where there is marked fatigue, as for instance in certain muscles, the top of the tetanic curve undergoes rapid decline.
"Response in the Living and Non-Living" by Jagadis Chunder Bose

In poetry:

Beside me gloomed the prison-cell
Where wasted one in slow decline
For uttering simple words of mine,
And loving freedom all too well.
"Astræa at the Capitol" by John Greenleaf Whittier
From all which can rejoice or grieve
I shortly go,
And now, in life's declining eve
I wonder, hope, try to believe--
Soon I shall know!
"In Mortem Meditare." by Alfred Castner King
Thou shalt have joy in sadness soon;
The pure, calm hope be thine,
Which brightens, like the eastern moon,
As day's wild lights decline.
"St. Philip And St. James" by John Keble
"The trysting time has come and past,
The day is fast declining;
Oh my true love, are you coming fast,
For the star of love is shining?"
"Keeping Tryst" by Nora Pembroke
Yes; the blush of life declining,
Paints a rainbow o'er the tomb,
That thro' shades of darkness shining
Robs the grave of all its gloom.
"On A Tear" by Thomas Noon Talfourd
In later times it still shall twine,
Encircling its native stem ;
It shall support thy life's decline, —
Its leaves thy emerald diadem.
"To My Sister - With an Ivy Wreath On Her Birth-day" by Mary Anne Browne

In news:

The decline in the quail hunt is emblematic of the end of a way of life for the Bedouins across the Middle East.
Blood type linked to earlier decline in fertility.
The transaction prices of many cars, including the Toyota Prius, have declined as automakers have built back inventories hurt by the Japanese earthquake last year.
The tuna's spawning population, which used to thrive in the Gulf of Mexico, has for decades been on a steep decline due to overfishing, shrinking by more than 80 percent since 1970.
The decline of a troubled genius.
The store's parent company, Bon -Ton Incorporated cited declining sales revenue as the reason to cease operations.
Town drops to Aa3 from Aa2, decline in reserves cited for change.
While independent booksellers did not experience the declines common with the big chains such as Borders, their sales were down slightly in 2009 and 2010 as online buying and e-book sales exploded.
It attributed the decline primarily to "de-risking" — that is, selling assets at a book loss to eliminate the potential for bigger losses later.
As recruitment efforts continue to decline, municipalities across the country are struggling with ways to keep a viable number of volunteer firefighters and ambulance squad members ready for emergency situations.
Looking for reasons why America's popularity in the world has declined.
With people using smartphones to kill down time, some say boredom is declining.
Previous studies have linked individual vitamin deficiencies to cognitive decline.
Majority declines to stop Nick Harper from taking office, notes problem is widespread.
She was 95 years old and had been in declining health for the past few years.

In science:

Dashed line shows an example decline in Ne as R−3 .
Hubble Space Telescope Images of Magellanic Cloud Planetary Nebulae
This worse azimuth behavior is fairly constant over the test period, whereas the unexplained decline in elevation performance in the second half accounts for most of the deterioration in overall RMS.
Evaluation of the ALMA Prototype Antennas
These curves were generated using the Bruzual & Charlot (2003) GALAXEV code assuming a solar metallicity stellar population and smooth, exponentially declining star formation histories with varying e-folding times.
Ongoing Formation of Bulges and Black Holes in the Local Universe: New Insights from GALEX
Fig. 1.— The fraction of mass in stars in the galaxy formed in the last Gigayear is plotted as a function of NUV-r (left) and g − r colour (right) for model galaxies that gave smooth, exponentially declining star formation histories.
Ongoing Formation of Bulges and Black Holes in the Local Universe: New Insights from GALEX
These configurations maintain a high weight (similar to that of the optimal configuration) across the transition, up to a value of Γ below which their weight decline markedly.
Density matrix renormalization on random graphs and the quantum spin-glass transition