h

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the constant of proportionality relating the energy of a photon to its frequency;
approximately 6.626 x 10^-34 joule-second
• Syn:
Planck's constant
• Hypernyms:
factor of proportionality, constant of proportionality
2. the 8th letter of the Roman alphabet
• Syn:
H
• Hypernyms:
letter, letter of the alphabet, alphabetic character
• Member Holonyms:
Roman alphabet, Latin alphabet

• Từ đồng nghĩa / Synonyms:
  heat content, total heat, enthalpy, H, Planck's constant, henry, hydrogen, atomic number 1