formaldehyde meaning
ENWFormaldehyde
- Formaldehyde is a naturally-occurring organic compound with the formula CH2O. It is the simplest aldehyde and is also known by its systematic name methanal. The common name of this substance comes from its similarity and relation to formic acid.
- A gas at room temperature, formaldehyde is colorless and has a characteristic pungent, irritating odor. It is an important precursor to many other materials and chemical compounds.
- In view of its widespread use, toxicity and volatility, exposure to formaldehyde is a significant consideration for human health. In 2011, the US National Toxicology Program described formaldehyde as "known to be a human carcinogen".
FR formaldéhyde 
- NounPLformaldehydesPREfor-
- (organic chemistry) The simplest aldehyde, H-CHO, a colourless gas that has many industrial applications; it dissolves in water to give formalin.
- (organic chemistry) The simplest aldehyde, H-CHO, a colourless gas that has many industrial applications; it dissolves in water to give formalin.
- More Examples
- Used in the Middle of Sentence
- For each mouse, a midcoronal section of the left kidney was fixed in Duboscq-Brazil solution for 60 minutes followed by post-fixation in buffered 10% formaldehyde solution until paraffin embedding.
- Used in the Middle of Sentence
Definition of formaldehyde in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Nouns
Source: Wiktionary
Grammatically, this word "formaldehyde" is a noun, more specifically, a countable noun and a singularia tantum.