thermonatrite
noun
ther·mo·na·trite
ˌthərməˈnā‧ˌtrīt
plural -s
: a mineral Na2CO3.H2O consisting of native hydrous sodium carbonate and found in some lakes and alkali soils
Word History
Etymology
International Scientific Vocabulary therm- + natron + -ite; originally formed as German thermonatrit; from its being produced by the action of heat on natron