1) Formol 2) Solution 1) Formol 
• (n.) An aqueous solution of formaldehyde, used as a preservative in museums and as a disinfectant.
aqueous solution of formaldehyde (q.v.).[2 related articles]
A 37% aqueous solution of formaldehyde. ... Synonym: formol. ... (05 Mar 2000) ... 
(for´mә-lin) formaldehyde solution; see formaldehyde.
For'ma·lin noun [ Form ic + al dehyde + -in .] (Chemistry) An aqueous solution of formaldehyde, used as a preservative in museums and as a disinfectant. 
Type: Term Pronunciation: fōr′mă-lin Definitions: 1. A 37% aqueous solution of formaldehyde. Synonyms: formol
Formalin: A 37% aqueous (water) solution of formaldehyde, a pungent gas, with the chemical formula HCHO, used as an antiseptic, disinfectant, and especially today as a fixative for histology (the study of tissues under the microscope).
Formalin is an aqueous solution of formaldehyde (40 percent) and often 15 percent methyl alcohol. It is used as a disinfectant and as a preservative.
40% solution of formaldehyde
[n] - a 10% solution of formaldehyde in water
Aqueous solution of formaldehyde (methanal) used to preserve animal specimens
a clear, colorless, aqueous solution of 40 percent formaldehyde. Also called