diatom

1. Any of various microscopic one-celled or colonial algae of the class Bacillariophyceae, having cell walls of silica consisting of two interlocking symmetrical valves.

2. Any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form earth.

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Top Words by points	Points	Word Game
diatom	9	Scrabble

2 Letters	Scrabble® Points
ai	2
to	2
ti	2
ta	2
om	4
oi	2
od	3
mo	4
mi	4
ma	4
it	2
id	3
do	3
da	3
at	2
am	4
ad	3

3 Letters	Scrabble® Points
mod	6
ait	3
mad	6
mat	5
mid	6
moa	5
oma	5
moi	5
mot	5
oda	4
oat	3
ado	4
aim	5
aid	4
ami	5
tad	4
tam	5
tao	3
tod	4
dot	4
dom	6
dit	4
dim	6
dam	6
tom	5

4 Letters	Scrabble® Points
toad	5
omit	6
modi	7
moat	6
maid	7
adit	5
iota	4
amid	7
atom	6
doit	5
doat	5
dita	5
dato	5

5 Letters	Scrabble® Points
admit	8
amido	8

6 Letters	Scrabble® Points
diatom	9