Constructaquote Glossary of Terms - Z
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zenith
in surveying, a point directly overhead; the upward extension of a plumb line.
zinc
a brittle bluish-white metallic element - it is a constituent of several alloys, especially brass and nickel silver, and is used for galvanizing metals.
zinc chloride
a white odourless soluble poisonous granular solid used in preserving wood.
zinc oxide
a white insoluble powder used as pigment in paints.