from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless gaseous compound, HCHO, the simplest aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The simplest aldehyde, H-CHO, a colourless gas having many industrial applications; it dissolves in water to give formalin.
from the GNU version of the Collaborative International Dictionary of English
- n. A colorless, volatile liquid, H2CO, resembling acetic or ethyl aldehyde, and chemically intermediate between methyl alcohol and formic acid.
from The Century Dictionary and Cyclopedia
- n. A gas, CH2O. It can be obtained in several ways, as, for example, by leading a mixture of vapor of methyl-alcohol, CH4O, and air over a heated platinum spiral.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a colorless poisonous gas; made by the oxidation of methanol
form(ic acid) + aldehyde.(American Heritage® Dictionary of the English Language, Fourth Edition)