• Webster's Revised Unabridged Dictionary
    • Petrifactive Having the quality of converting organic matter into stone; petrifying.
    • Petrifactive Pertaining to, or characterized by, petrifaction. "The . . . petrifactive mutations of hard bodies."
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Century Dictionary and Cyclopedia
    • petrifactive Of or pertaining to petrifaction.
    • petrifactive Having power to petrify or to convert vegetable or animal substances into stone.
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Chambers's Twentieth Century Dictionary
    • adjs Petrifactive changing animal or vegetable substances into stone
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Chambers's Twentieth Century Dictionary
L. petra—Gr. petra, rock, L. facĕre, factum, to make.


In literature:

Opinions examined with regard to Petrifaction, or Mineral Concretion.
"Theory of the Earth, Volume 1 (of 4)" by James Hutton
The Arabs then; and the Chinese at the present day, use these petrifactions when powdered as a specific for diseases of the eye.
"Ceylon; an Account of the Island Physical, Historical, and Topographical with Notices of Its Natural History, Antiquities and Productions, Volume 1 (of 2)" by James Emerson Tennent
There are granites and porphyries, marbles and petrifactions of the most exquisite grain or tints.
"A Trip to Venus" by John Munro
There was an instant of petrifaction.
"All on the Irish Shore" by E. Somerville and Martin Ross
Here the petrifaction took place.
"I Married a Ranger" by Dama Margaret Smith
DR. G. A. MANTELL'S PETRIFACTIONS AND THEIR TEACHINGS; A Hand-Book to the Fossils in the British Museum.
"Strife and Peace" by Fredrika Bremer
One of the young ladies guessed it to be the petrifaction of an antediluvian mussel.
"Gryll Grange" by Thomas Love Peacock
As for Rollin, he became, and remained for some time, a petrifaction of amazement.
"The Red Man's Revenge" by R.M. Ballantyne
The streams abound in petrifactions of vegetation, which would show that the water cannot be very wholesome for drinking.
"Byeways in Palestine" by James Finn
One reflection, however, comforted me, namely, that this petrifaction by freezing had kept the victuals sweet.
"The Frozen Pirate" by W. Clark Russell
Goeppert, Prof., on beds of coal, 316. on petrifaction, 40.
"A Manual of Elementary Geology" by Charles Lyell
Within the latter, shells and petrifactions, of various descriptions, have been found embedded.
"The Ports, Harbours, Watering-places and Picturesque Scenery of Great Britain Vol. 1" by William Finden
In the north-east portion of the state, this species of stone, whose basis is clay, is found in a more matured state of petrifaction.
"The South-West" by Jonathon Holt Ingraham
First of all, he ardently desires to save them from the petrifaction which awaits all souls made frigid by a false philosophy.
"The Memoirs of Count Carlo Gozzi; Volume the first" by Count Carlo Gozzi
Rather was it a slow petrifaction of the soul.
"South Africa and the Transvaal War, Vol. IV (of 6)" by Louis Creswicke
Calcareous petrifactions, or rather impressions, are very numerous.
"Travels in the Interior of North America, Part I, (Being Chapters I-XV of the London Edition, 1843)" by Alexander Philipp Maximilian, Prince of Wied
In almost all parts of the island petrifactions are to be met with.
"Antigua and the Antiguans, Volume I (of 2)" by Anonymous
But the pious petrifactions, the fossils of faith, still clung to their book and creed.
"The Works of Robert G. Ingersoll, Vol. 12 (of 12) Dresden Edition--Miscellany" by Robert G. Ingersoll
These are petrifactions of sea animals, which have remained since the time of the flood.
"Pine Needles" by Susan Bogert Warner
Suddenly petrifaction fell upon the assembly.
"The Hill of Venus" by Nathan Gallizier