Verb (used with object), : Electricity has replaced gas in lighting. ,to replace a broken dish. ,to replace a sum of money borrowed. ,to replace the vase on the table.    From Dictionary.com. 

Finally, the chemical properties of carbon, hydrogen and oxygen are equally unique and unreplaceable.    From Wordnik.com.  [The Evolution of Man Scientifically Disproved In 50 Arguments] Reference

And then one day my hard drive crashed, losing hundreds of gigs of files, many of which were unreplaceable.    From Wordnik.com.  [Unsolicited Testimonial: Mozy - Anil Dash] Reference

As I observe each moment go by, I know I've experienced a moment that will never happen again, unreplaceable and dear.    From Wordnik.com.  [TEXAS FAITH: What do your spiritual paths say about the role of play? | RELIGION Blog | dallasnews.com] Reference

If the quadruped can get into a garden and root up unreplaceable flowers and fruits, before he retires to his lair, his bliss is perfect.    From Wordnik.com.  [Punchinello, Volume 1, No. 04, April 23, 1870] Reference

It shows the brothers stenciling Apple iPod posters all over New York City with the message "iPod's unreplaceable battery lasts only 18 months.".    From Wordnik.com.  [A Thin Line Between Apple's 'Genius Bar' and Insanity] Reference

They have tried to find a new person to play the roll, but folk who enjoyed this magnificent show, me included, still think that Linda Carter will always be unreplaceable as Wonder Woman.    From Wordnik.com.  [EXTRALIFE – By Scott Johnson - What actor is the best hero actor?] Reference

Unfortunately, Worms, Trojans and viruses have, over the years, wiped out unreplaceable engineering data, accounting records and other data, as well as costing our staff thousands of hours.    From Wordnik.com.  [Blaster Master fire storm] Reference

She filled the void with increased dedication to her studies and, later in her career, when Charles still seemed to be unreplaceable, with patients, writing, and work in the professional association.    From Wordnik.com.  [Shrink Dreams] Reference

But, of course, the political party of whom the president is the (unreplaceable) leader has every incentive, psychological as well as political, to be loyal once the alternative is viewed as the prospect of losing power to the dreaded opposition.    From Wordnik.com.  [Balkinization] Reference

I do so, it is true, with a heavy heart, but in the strong confidence that the grant of your request will contribute as much as possible to the protection and preservation for as long as possible of a life and strength of unreplaceable value to the Fatherland.    From Wordnik.com.  [William of Germany] Reference

Square of Verona, on world treasures unreplaceable.    From Wordnik.com.  [Raemaekers' Cartoons With Accompanying Notes by Well-known English Writers] Reference

Use TK8 Sticky Notes for some days and you'll see it's unreplaceable!.    From Wordnik.com.  [Softpedia - Windows - All] Reference

Fedora suspends two guys that most thought were unreplaceable - two other guys step up.    From Wordnik.com.  [hattiesburgamerican.com -] Reference

Every dead or wounded man was now unreplaceable, and each loss made his problem harder to solve.    From Wordnik.com.  [The Eagle of the Empire A Story of Waterloo] Reference

Mr. Sheridan has acquired various unusual and unreplaceable recipes -- I believe he secured from Wladislaw.    From Wordnik.com.  [When Winter Comes to Main Street] Reference

But the Turkish government has stepped in, and hopefully these historic and unreplaceable builidngs will last for centuries.    From Wordnik.com.  [TravelPod.com Recent Updates] Reference

It was impossible for her to remain on her mountainside without a Melora Meigs; and Melora, unlike most tortures, was unreplaceable.    From Wordnik.com.  [The Best Short Stories of 1920 and the Yearbook of the American Short Story] Reference

Such songs are the traditional english school of symphonic prog, the unreplaceable basis of bass, guitars, keyboards and percussion.    From Wordnik.com.  [Latest reviews @ Progarchives.com, the ultimate progressive rock music website] Reference

Made in a certain mood, viewed through a certain temperament, conceived under certain conventions, it may be, it often is, an unreplaceable poem, a vision that may never be seen again.    From Wordnik.com.  [The Victorian Age in Literature] Reference

In one case the success is doubtful and the treason for later almost certain; in the other case, a small scoundrel is eliminated and the life of a perhaps unreplaceable idealist is risked.    From Wordnik.com.  [Mein Kampf]

I love their quaint and native poetry, their instinct of easy civilisation, their unique unreplaceable art, the testimony they bear to the bustling, irrepressible activities of nature and man.    From Wordnik.com.  [A Miscellany of Men] Reference

I went to bed in the loft in a sad, reflective mood, considering how in speeding our newfangled plough we must break down a multitude of molehills and how desirable and unreplaceable was the life of the moles.    From Wordnik.com.  [Mr. Standfast] Reference

How would you like it if a thousand strings were always tugging at you, if you saw that every course meant the sacrifice of lovely and desirable things, or even the shattering of what you know to be unreplaceable?.    From Wordnik.com.  [Mr. Standfast] Reference

Mostly I try to avoid buying anything that uses proprietary batteries such as Li-lon types that have a short 2 year lifespan and are sometimes unreplaceable (iPods) or no longer made (some cameras), causing that device to be useless and end up in a landfill.    From Wordnik.com.  [Mother Earth News Latest 10 Articles] Reference

I think that portions of it should be set aside as interesting, but not unreplaceable; but that other portions should be set aside as being things as to which the function of the nation was, chiefly, to take care of those things, not for itself merely, but for all its descendants, and setting the example of taking care of them for ever.    From Wordnik.com.  [On the Old Road, Vol. 2 (of 2) A Collection of Miscellaneous Essays and Articles on Art and Literature] Reference

Iran Daily newspaper, told Al Jazeera: "This is huge blow to the reformist camp, because he is unreplaceable and nobody is happy to hear about his sad demise.    From Wordnik.com.  [AL JAZEERA ENGLISH (AJE)] Reference

China has become the saving draw of its economy; in Africa, Africans stand with China firmly; in the third world, China has become an unreplaceable leader, "Dr Wang said.    From Wordnik.com.  [NEWS.com.au | Top Stories] Reference

Such trees are unreplaceable.    From Wordnik.com.  [A Country Doctor and Selected Stories and Sketches] Reference

I honestly don't believe he is unreplaceable.    From Wordnik.com.  [BBC - Ouch] Reference