Definition of Formaldehyde
1. Noun. A colorless poisonous gas; made by the oxidation of methanol.
Definition of Formaldehyde
1. n. A colorless, volatile liquid, H2CO, resembling acetic or ethyl aldehyde, and chemically intermediate between methyl alcohol and formic acid.
Definition of Formaldehyde
1. [n -S]
Medical Definition of Formaldehyde
1.
Commonly used fixative and antibacterial agent. As a fixative it is cheap and tends to cause less denaturation of proteins than does glutaraldehyde, particularly if used in a well buffered solution (buffered formalin, formal saline).
Old formaldehyde solutions usually contain cross linking contaminants and it is therefore often preferable to used a formaldehyde generating agent such as paraformaldehyde. Formalin fumes, particularly in conjunction with hydrochloric acid vapour, are potently carcinogenic.
(20 Jun 2000)
Lexicographical Neighbors of Formaldehyde
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