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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NEPHROTOXIN

A substance that causes injury to the kidneys.


NEUROTOXIN

A material that affects the body_s ability to transmit nerve impulses to control body response functions.


NEUTRAL

A chemical state that is neither acid or alkali; seven in pH (e.g., distilled water).


NEUTRALISE

To eliminate potential hazards by inactivating strong acids, caustics and oxidizers. For example, acid spills can be neutralized by adding an appropriate amount of caustic substance to the spill.


NOMINAL

The dimensions customarily used when referring to a particular size of material, such as timber, which may differ from the actual finished size.


NON -FLAMMABLE

Not easily ignited, or if ignited, not able to burn rapidly.


NON-BEARING WALL

A wall supporting no load other than its own weight; a partition.


NON-COMBUSTIBLE

In building construction a material of which no part will ignite when subjected to fire; a building material which meets statutory requirements for ignition and flame spread in applications calling for such materials.


NON-POROUS

A material that does not absorb, nor is it easily penetrated by liquids, especially water. Generally, non-porous materials have a permeance factor of less than one. cp _porous_


NOTICE OF LOSS

The official communication from the insured to the insurance company notifying them of a loss that may be covered by the provisions of the insured_s policy.