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zm
Zmodem
Zn
zo
zo-
zoarium
zod.
zodiac
zodiacal constellation
zodiacal light
zoetrope
zoftig
Zohar
-zoic
zoisite
zol
Zollinger-Ellison syndrome
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zirconium

zir·co·ni·um [ zur kṓnee əm ]


noun 
Definition:
 
1. grayish-white metallic element: a grayish white, corrosion-resistant, metallic element. Source: zircon, zirconia. Use: coating fuel rods in nuclear reactors.
Symbol  Zr


2. gemstone: the mineral zircon used as a gemstone, often as a substitute diamond


zir·con·ic [ zur kónnik ] adjective
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