Hh
adj, intj, name, noun, pron
adj, intj, name, noun, pron ·Uncommon ·Advanced level
Definitions
Noun
- 1 Initialism of heavy helicopter. abbreviation, alt-of, initialism
- 2 Abbreviation of hands (one hand being four inches). abbreviation, alt-of, plural, plural-only
"For a 15.2hh–16.2hh horse the average stride length is 3.6m (12ft)."
- 3 Initialism of household. abbreviation, alt-of, initialism
Adjective
- 1 Initialism of heavily hinged. abbreviation, alt-of, initialism, not-comparable
Pronoun
- 1 Initialism of Her Highness. abbreviation, alt-of, initialism
- 2 Initialism of His Highness. abbreviation, alt-of, initialism
- 3 Initialism of His Holiness. abbreviation, alt-of, initialism
Intj
- 1 Synonym of hhh (“a sigh; laughter”). Internet, uncommon
Proper Noun
- 1 Initialism of Hansestadt Hamburg, the German city of Hamburg; used on licence plates and informally in other contexts. abbreviation, alt-of, initialism
"Let's meet in HH tomorrow."
- 2 A protein expressed in the larva of the fruit fly Drosophila melanogaster, required for the proper development of the larval body.; The gene coding for the Hh (Hedgehog) protein.
- 3 A blood group system involving the presence of either the H or the h antigen on the surface of a person's red blood cells.
- 4 A protein expressed in the larva of the fruit fly Drosophila melanogaster, required for the proper development of the larval body.; The signaling pathway involving the Hh (Hedgehog) protein, and its homologues in other animals.
Synonyms
All synonymsExample
More examples"For a 15.2hh–16.2hh horse the average stride length is 3.6m (12ft)."
Etymology
Etymology 1
Initialism of Hedgehog; the gene and the signaling pathway are named after the protein.
Etymology 2
From the two antigenic variants involved in the blood group system (the H and h antigens).
Related phrases
More for "hh"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.