HCL may refer to:

Science and medicine

Hairy cell leukemia Hairy cell leukemia is an uncommon hematological malignancy characterized by an accumulation of abnormal B lymphocytes. It is usually classified as a subtype of chronic lymphocytic leukemia (CLL). Hairy cell leukemia makes up about 2% of all le ...

, an uncommon and slowly progressing B cell leukemia *

Harvard Cyclotron Laboratory The Harvard Cyclotron Laboratory operated from 1949 to 2002. It was most notable for its contributions to the development of proton therapy. The Harvard Cyclotron Laboratory was built with office of Naval Research funds between 1946 and 1949 to ...

, from 1961 to 2002, a proton accelerator used for research and development *

Hollow-cathode lamp A hollow-cathode lamp (HCL) is type of cold cathode lamp used in physics and chemistry as a spectral line source (e.g. for atomic absorption spectrometers) and as a frequency tuner for light sources such as lasers. An HCL takes advantage of the ...

, a spectral line source used in physics and chemistry *

Hydrochloric acid Hydrochloric acid, also known as muriatic acid, is an aqueous solution of hydrogen chloride. It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid Acid strength is the tendency of an acid, symbol ...

, a solution of hydrogen chloride in water *

Hydrochloride In chemistry, a hydrochloride is an acid salt resulting, or regarded as resulting, from the reaction of hydrochloric acid with an organic base (e.g. an amine). An alternative name is chlorhydrate, which comes from French. An archaic alternative na ...

, the salt of hydrochloric acid and an organic base *

Hydrogen chloride The compound hydrogen chloride has the chemical formula and as such is a hydrogen halide. At room temperature, it is a colourless gas, which forms white fumes of hydrochloric acid upon contact with atmospheric water vapor. Hydrogen chloride ga ...

, chemical formula HCl *

Hypomania Checklist The Hypomania Checklist (HCL-32) is a questionnaire developed by Dr. Jules Angst to identify hypomanic features in patients with major depressive disorder in order to help recognize bipolar II disorder and other bipolar spectrum disorders whe ...

, a questionnaire used to screen for hypomania and bipolar spectrum disorders *

HCL color space HCL (Hue- Chroma-Luminance) or LCh refers to any of the many cylindrical color space models that are designed to accord with human perception of color with the three parameters. Lch has been adopted by information visualization practitioners to p ...

, a color space model designed to accord with human perception of color

Computing

Hardware compatibility list A hardware compatibility list (HCL) is a list of computer hardware (typically including many types of peripheral devices) that is compatible with a particular operating system or device management software. In today's world, there is a vast amount o ...

HashiCorp Configuration Language HashiCorp is a software company with a freemium business model based in San Francisco, California. HashiCorp provides open-source tools and commercial products that enable developers, operators and security professionals to provision, secure, run ...

, a configuration language authored by

HashiCorp HashiCorp is a software company with a freemium business model based in San Francisco, California. HashiCorp provides open-source tools and commercial products that enable developers, operators and security professionals to provision, secure, run ...

, used by cloud infrastructure automation tools, such as Terraform.

Organizations

HCL Technologies HCLTech (formerly Hindustan Computers Limited or HCL Technologies) is an Indian multinational information technology (IT) services and consulting company headquartered in Noida.It emerged as an independent company in 1991 when HCL entered into ...

, an IT outsourcing firm based in Noida, India :*

HCL Axon HCL AXON is a UK-based consultancy which sells its services to customers using SAP and Oracle as their Enterprise Resource Planning (ERP) system modeling tools. Previously listed on the London Stock Exchange, and a FTSE 250 Index constituent, t ...

, a subsidiary of HCL Technologies *

Hennepin County Library Hennepin County Library is a public library system serving Hennepin County, Minnesota, US. The current iteration of Hennepin County Library was formed by the merger of urban Minneapolis Public Library and suburban Hennepin County Library on Ja ...

Hindustan Cables Limited Hindustan Cables Limited (HCL) was a government-owned company that made telecom cables in India. It was under the Ministry of Heavy Industries and Public Enterprises. Foundation and growth Hindustan Cables was founded at Rupnarayanpur in Asanso ...

, an Indian cable manufacturer *

Harvard College Library Harvard Library is the umbrella organization for Harvard University's libraries and services. It is the oldest library system in the United States and both the largest academic library and largest private library in the world. Its collection ...

HC Lugano Hockey Club Lugano, often abbreviated to HC Lugano or HCL, is a professional ice hockey club based in Lugano, Switzerland. The team competes in the National League (NL) and has won seven Swiss championships. History The founding of HC Lugano took ...

, a Swiss professional ice hockey team based in Lugano *

Horizon Coach Lines Horizon Coach Lines was an American motorcoach operator. It mainly provided charter bus service, but also provided tours and scheduled service. Horizon was the third-largest motorcoach operator in the United States and Canada. It was a subsidiary of ...

, an American bus company

Science and medicine

Computing

Organizations

See also