perlite

1. A natural volcanic glass similar to obsidian but having distinctive concentric cracks and a relatively high water content. In a fluffy heat-expanded form perlite is used as a lightweight aggregate, in fire-resistant insulation, and in soil for potted plants.

2. Volcanic glass that has a concentric structure, appears as if composed of concretions, is usually grayish and sometimes spherulitic, and when heated expands to form a lightweight aggregate used especially in concrete and plaster and as a medium for potting plants.

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Top Words by points	Points	Word Game
reptile	9	Scrabble

2 Letters	Scrabble® Points
er	2
te	2
ti	2
re	2
el	2
pi	4
pe	4
li	2
et	2
it	2

3 Letters	Scrabble® Points
lee	3
ire	3
ree	3
rei	3
rep	5
ret	3
rip	5
eel	3
pit	5
pie	5
pet	5
per	5
pee	5
ere	3
tip	5
til	3
tie	3
tel	3
tee	3
lit	3
lip	5
lie	3
let	3
lei	3

4 Letters	Scrabble® Points
tier	4
tele	4
teel	4
pert	6
tile	4
reel	4
rete	4
riel	4
rile	4
ripe	6
rite	4
peel	6
leet	4
lept	6
lier	4
lipe	6
lire	4
lite	4
leer	4
trip	6
tree	4
tire	4
peer	6
pele	6
pelt	6
pere	6
peri	6
pier	6
pile	6
plie	6
pree	6
tirl	4

5 Letters	Scrabble® Points
peril	7
tiler	5
tripe	7
retie	5
repel	7
relit	5
relet	5
elite	5
leper	7
liter	5
litre	5
plier	7
peter	7

6 Letters	Scrabble® Points
pelter	8
triple	8
pelite	8
petrel	8
retile	6

7 Letters	Scrabble® Points
reptile	9
perlite	9