There are 2 definitions of HB in English:

HB

Syllabification: HB

abbreviation

  • 1Half board.
  • 1.1 (also hb) Hardback.
  • 1.2Hard black (used in describing a medium grade of pencil lead).
  • 1.3The political wing of the Basque separatist organization ETA.
    [abbreviation of Basque Herri Batasuna 'United People']

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space

There are 2 definitions of HB in English:

Hb

Syllabification: Hb

symbol

  • Hemoglobin.

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