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hydrogen

25 ENTRIES FOUND:
  1. hydrogen (noun)
  2. hydrogen bomb (noun)
  3. hydrogen bond (noun)
  4. hydrogen bromide (noun)
  5. hydrogen chloride (noun)
  6. hydrogen cyanide (noun)
  7. hydrogen dioxide (noun)
  8. hydrogen electrode (noun)
  9. hydrogen fluoride (noun)
  10. hydrogen iodide (noun)
  11. hydrogen ion (noun)
  12. hydrogen-ion concentration (noun)
  13. hydrogen oxide (noun)
  14. hydrogen peroxide (noun)
  15. hydrogen selenide (noun)
  16. hydrogen sulfide (noun)
  17. arseniuretted hydrogen (noun)
  18. atomic hydrogen welding (noun)
  19. calcium hydrogen sulfite (noun)
  20. carbureted hydrogen (noun)
  21. heavy hydrogen (noun)
  22. ortho-hydrogen (noun)
  23. oxygen-hydrogen welding (noun)
  24. para-hydrogen (noun)
  25. sulfureted hydrogen (noun)

hy·dro·gen

noun \ˈhī-drə-jən, -dər-\

Definition of HYDROGEN

: a nonmetallic element that is the simplest and lightest of the elements, is normally a colorless odorless highly flammable diatomic gas, and is used especially in synthesis — see element table — compare deuterium, tritium
— hy·drog·e·nous \hī-ˈdrä-jə-nəs\ adjective
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Origin of HYDROGEN

French hydrogène, from hydr- + -gène -gen; from the fact that water is generated by its combustion
First Known Use: 1788

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