From Wikipedia, the free encyclopedia
HCL may refer to:
Science and medicine
- Hairy cell leukemia, an uncommon and slowly progressing B cell leukemia
- Harvard Cyclotron Laboratory, from 1961 to 2002, a proton accelerator used for research and development
- Hollow-cathode lamp, a spectral line source used in physics and chemistry
- Hydrochloric acid, a solution of hydrogen chloride in water
- Hydrochloride, the salt of a hydrochloric acid and an organic base
- Hydrogen chloride, chemical formula HCl
- HCL Technologies, an IT outsourcing firm based in Noida, India
- Hennepin County Library
- Hindustan Cables Limited, an Indian cable manufacturer
- Harvard College Library
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