H1

See also: H₁, H₁·, H1·, H1-, H1⁻, H₁-, H₁⁻, H1+, H1⁺, H₁+, H₁⁺, and H-1

Translingual

Noun

H1

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

Related terms

histamine receptor

• H2
• H3
• H4

English

Noun

H1

1. The first half of a calendar year (January to June).
2. The first half of a financial year.

Coordinate terms

quarters of the year

• Q1
• Q2
• Q3
• Q4

Related terms

• H2

Anagrams

• 1-H