Glossary H

Deutsch: Haar / Español: Pelo / Português: Pelo / Français: Pilositê humaine / Italiano: Capelli
Hair is a filamentous biomaterial that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair.

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Deutsch: Holding / Español: Holding / Português: Holding / Français: Holding / Italiano: Holding /

Holding may refer to a Holding company, a company that owns stock in other companies.

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Hydroplane is described as a very high speed, flat-bottomed racing powerboat that skims across the water.

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Hydrodynamics is defined as the study of the flow of liquids.

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Deutsch: Klimaanlage / Español: Climatización / Português: AVAC / Français: Chauffage, ventilation et climatisation / Italiano: HVAC

HVAC (heating, ventilation, and air conditioning) is the technology of indoor and vehicular environmental comfort. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer.

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Hydrofluoric acid is a highly toxic, highly corrosive, color less, fuming liquid found in many aluminum cleaners.

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Halide pertains to a chemical compound of a halogen with a more electropositive element or group.

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A Hair-slide a British term referring to a decorative hinged clip that girls and women put in their hair to hold it in place.

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