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Noun: Hs
  1. A radioactive transuranic element
    - hassium, element 108, atomic number 108
Noun: h  eych
  1. The constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
    - Planck's constant
  2. The 8th letter of the Roman alphabet
    - H

Type of: alphabetic character, chemical element, constant of proportionality, element, factor of proportionality, letter, letter of the alphabet

Part of: Latin alphabet, Roman alphabet

Encyclopedia: Hs