GLOSSARY

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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HEPATITIS D

This virus can cause disease only if HBV is present, and then can cause acute hepatitis in an HBV carrier, with progression to fulminant hepatitis or chronic progressive hepatitis ending in cirrhosis.


HEPATITIS E

An infectious virus transmitted in the water supplies of underdeveloped countries of Central America, India, Asia and Africa.


HEPATOXIN

A substance that causes injury to the liver.


HERBICIDE

A pesticide intended to control unwanted plants, when used according to label directions.


HIDDEN DAMAGE (LATENT DEFECT)

Damage not visible on the surface, but subject to later discovery during construction or after completion of repairs.


HIRE, LEASE, RENT ?

A contract for the use of goods services or building that payment is made on a short term basis.


HIV

Human Immunodeficiency Virus


HOST

An organic material that harbours and provides nourishment for saprophytic or parasitic micro organism.


HOSTILE FIRE

Destructive combustion which occurs or spreads outside normal areas of containment.


HOT WATER EXTRACTION

A cleaning process in which a heated detergent solution is sprayed and simultaneously vacuumed from a surface, carrying off dissolved soils and residues.