from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of several compounds composed of phosphorus and hydrogen having a general formula PnHn+2.
from The Century Dictionary.
- noun A light white powder obtained by the interaction of ammonia and phosphorus pentachlorid. Its composition is somewhat doubtful, but is probably represented by the formula P3H3N6.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry
- noun chemistry any of the higher
hydridesof phosphorushaving general formulaPnHn+2
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