English word oxaphosphine comes from English phosphine, English oxa-
| Dictionary entry | Language | Definition |
|---|---|---|
| phosphine | English (eng) | (dyeing) chrysaniline, often in the form of a salt. (inorganic compound, uncountable) a toxic gas; hydride of phosphorus, PH3. (organic chemistry, countable) any alkyl or aryl derivative of this compound, PR3 (where at least one R is not H). |
| oxa- | English (eng) | (organic chemistry) Used to name compounds in which a carbon atom (typically a methylene group) has been replaced by one of oxygen. |
| oxaphosphine | English (eng) | (organic compound) The six-membered unsaturated heterocycle containing four carbon atoms, one oxygen atom, one phosphorus atom and two double bonds. |