Comprehensive
Dictionary Suite
Help
Help
Help
 
     
Lookup History
hydrogen

hy·dro·gen

hydrogen

 
pronunciation:
haI dr jn
features:
Word Combinations (noun), Word Explorer, Word Parts
part of speech: noun
definition: a chemical element that contains one proton in each nucleus and that occurs naturally in many compounds such as water, acids, petroleum hydrocarbons, and carbohydrates, and in pure form as a highly flammable, lighter-than-air gas used in many industrial applications, such as the hydrogenation of fats and oils. (symbol: H) (Cf. deuterium, protium, tritium.)
Word CombinationsSubscriber feature About this feature
Word Explorer
See
  cell, element, water
Word PartsSubscriber feature About this feature