Definition of "formalin" [for•ma•lin]

• An aqueous solution of formaldehyde that is 37 percent by weight. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Today's issue of Folha has to be kept in formalin, because it presents an anthology of journalism in decomposition, as is practised in this sub-democracy."
• "It was only after the vessel had been placed in formalin, that two faint whitish lines began to appear, indicating the place where the suture had been performed."
• "Vessels preserved in formalin or by means of a system of thorough drying were also used."