def
ch2o
Formaldehyde (CH₂O)
meta
| def | ch2o | 
|---|---|
| doc | See above | 
| is | gas | 
| lib | lib:phScience | 
| wikipedia | https://en.wikipedia.org/wiki/Formaldehyde | 
supertypes
| marker | 
 Marker labels a dict with typing information  | 
|---|---|
| phenomenon | 
 Aspect of scientific interest with measurable quantities  | 
| substance | 
 Matter in one the three states solid, liquid, or gas  | 
| fluid | 
 Liquid or gas  | 
| gas | 
 Substance with neither definite volume nor shape  |