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Zr - 9 dictionary results

Zr

Symbol, Chemistry.
zirconium.
zir·co·ni·um   (zûr-kō'nē-əm)   
n.   Symbol Zr
A lustrous, grayish-white, strong, ductile metallic element obtained primarily from zircon and used chiefly in ceramic and refractory compounds, as an alloying agent, and in nuclear reactors as a highly corrosion-resistant alloy. Atomic number 40; atomic weight 91.22; melting point 1,852°C; boiling point 4,377°C; specific gravity 6.56 (20°C); valence 2, 3, 4. See Table at element.
Zr  
The symbol for the element zirconium.

Main Entry: Zr
Function: symbol
zirconium

Zr
The symbol for the element zirconium.

zirconium   (zûr-kō'nē-əm)  Pronunciation Key 
Symbol Zr
A shiny, grayish-white metallic element that occurs primarily in zircon. It is used to build nuclear reactors because of its ability to withstand bombardment by neutrons even at high temperatures. Zirconium is also highly resistant to corrosion, making it a useful component of pumps, valves, and alloys. Atomic number 40; atomic weight 91.22; melting point 1,852°C; boiling point 4,377°C; specific gravity 6.56 (20°C); valence 2, 3, 4. See Periodic Table.
Zr  
The symbol for zirconium.

zr networking
The old country code for Zaire.
"cd" is now used instead, since Zaire changed its name to the Democratic Republic of the Congo.
(1999-01-27)

Zr
zirconium
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