H2

See also: H₂ and H-2

Translingual

Symbol

H2

1. Alternative spelling of H₂

Noun

H2

1. histamine receptor #2, the second histamine receptor discovered.
2. Alternative form of H-2

Related terms

histamine receptor

• H1
• H3
• H4

 

English

Noun

H2

1. The second half of a calendar year (July to December).
2. The second half of a financial year.

Coordinate terms

quarters of the year

• Q1
• Q2
• Q3
• Q4

 

Related terms

• H1

 

See also

• H-2
• H_II

 

Anagrams

• 2H