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Radon Definition

noun

A colorless, radioactive, inert gaseous element formed by the radioactive decay of radium. It is used as a radiation source in radiotherapy and to produce neutrons for research. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86; melting point -71°C; boiling point -61.8°C; specific gravity (solid) 4. See Table at element.
from The American Heritage Dictionary of the English Language, 4th Edition
A heavy radioactive gaseous element formed by the decay of radium .
from Free Scrabble Dictionary

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Top Words by points

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adorn

6

2 letter words with RADON

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do

3

ad

3

no

2

na

2

od

3

on

2

or

2

da

3

ar

2

an

2

3 letter words with RADON

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oda

4

nod

4

oar

3

ora

3

rad

4

ran

3

nor

3

rod

4

dor

4

don

4

dan

4

ado

4

and

4

aro

3

4 letter words with RADON

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nard

5

roan

4

road

5

rand

5

orad

5

darn

5

dona

5

5 letter words with RADON

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adorn

6

andro

6

radon

6

rando

6

Found 35 words in 0.1549 seconds