Image by billycm on Pixabay · Pixabay License
In the Vinony graph
Vinony's link graph records 4 inbound references to H4, and connects out to Hekla, John Harrison and isotope of hydrogen.
It is catalogued under the topic Letter–number combination disambiguation pages.
Vinony links it to 11 Wikipedia language editions.
~2 min read
Encyclopedic overview
9 sectionsContents
- Science and mathematics
- Technology
- Transport
- Automobiles and roads
- Aviation
- Ships and submarines
- Rail
- Other uses
- See also
H4, H04, or H-4 may refer to:
==Science and mathematics== ATC code H04 Pancreatic hormones, a subgroup of the Anatomical Therapeutic Chemical Classification System Histamine H4 receptor, a human gene Histone H4, a protein involved in the structure of chromatin in eukaryotic cells Hydrogen-4 (H-4), an isotope of hydrogen H4, a symmetry group in the fifth dimension; see H4 polytope H-4, a huge eruption of the Hekla volcano around 2310 BC
Excerpted from Wikipedia’s “H4” article, available under the CC BY-SA 4.0 licence.