- a clear, colorless, aqueous solution of 40 percent formaldehyde.
Origin of formalin
First recorded in 1890–95; formerly a trademark
Also called formol.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for formalin
Formalin is one of the best and safest general disinfectants to use.A Handbook of Health
All bags and utensils should also be disinfected with this formalin solution.Ontario Teachers' Manuals: Nature Study
Ontario Ministry of Education
Formalin may be used in place of alum for hardening the gelatine.
In the museum all specimens should be removed at once from formalin to alcohol.
Fishes intended for skeletons should never be placed in formalin.
- a 40 per cent solution of formaldehyde in water, used as a disinfectant, preservative for biological specimens, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- An aqueous solution of formaldehyde that is 37 percent by weight.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.