hafnium

1. A brilliant, silvery, metallic element separated from ores of zirconium and used in nuclear reactor control rods, as a getter for oxygen and nitrogen, and in the manufacture of tungsten filaments. Atomic number 72; atomic weight 178.49; melting point 2,220°C; boiling point 5,400°C; specific gravity 13.3; valence 4. See Table at element.

2. A metallic element that resembles zirconium in its chemical properties, occurs especially in zirconium minerals, and readily absorbs neutrons.

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Top Words by points	Points	Word Game
hafnium	15	Scrabble

2 Letters	Scrabble® Points
ai	2
if	5
in	2
ma	4
hm	7
hi	5
ha	5
mi	4
mu	4
na	2
nu	2
fa	5
uh	5
um	4
un	2
ah	5
an	2
am	4

3 Letters	Scrabble® Points
nah	6
nam	5
nim	5
mun	5
man	5
uni	3
fam	8
hun	6
ami	5
fah	9
fan	6
fin	6
hum	8
ani	3
amu	5
fun	6
ain	3
aim	5
ham	8
him	8
hin	6
ahi	6

4 Letters	Scrabble® Points
muni	6
naif	7
unai	4
amin	6
mina	6
maun	6
main	6
fain	7
faun	7

5 Letters	Scrabble® Points
fanum	10
human	10

7 Letters	Scrabble® Points
hafnium	15