h — English Dictionary

Character

1. The eighth letter of the English alphabet, called aitch and written in the Latin script.

   Usage

   • letter
   • lowercase

Numeral

1. The eighth numeral symbol of the English alphabet, called aitch and written in the Latin script.

   Usage

   • lowercase
   • number

Noun

1. the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second

   Synonyms

   Planck's constant

   Broader terms

   factor of proportionalityconstant of proportionality

2. the 8th letter of the Roman alphabet

   Synonyms

   H

   Broader terms

   letterletter of the alphabetalphabetic character