ablator

1. A heat shield (which ablates during reentry).

2. That which ablates (undergoes ablation).

3. Astronautics and Materials Sci. A protective surface layer (e.g. in a rocket engine) made of a material which ablates readily when heated and so reduces the transfer of external heat to the underlying material.

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Top Words by points	Points	Word Game
ablator	9	Scrabble

2 Letters	Scrabble® Points
ab	4
or	2
ba	4
bo	4
ta	2
to	2
lo	2
la	2
aa	2
at	2
ar	2
al	2

3 Letters	Scrabble® Points
aro	3
lab	5
lar	3
lat	3
lob	5
lot	3
bro	5
oar	3
oat	3
oba	5
ora	3
orb	5
ort	3
rat	3
rob	5
rot	3
tab	5
tao	3
tar	3
tor	3
alb	5
bat	5
boa	5
bot	5
bar	5
bal	5
baa	5
art	3
arb	5
alt	3
ala	3
aba	5
aal	3
bra	5

4 Letters	Scrabble® Points
oral	4
alar	4
alba	6
alto	4
baal	6
rato	4
rota	4
rotl	4
tala	4
taro	4
tola	4
tora	4
blat	6
blot	6
boar	6
boat	6
bola	6
bolt	6
bora	6
bort	6
bota	6
brat	6
lota	4

5 Letters	Scrabble® Points
tabor	7
tolar	5
talar	5
artal	5
aorta	5
altar	5
abort	7
labra	7
labor	7
bloat	7
tabla	7
lobar	7
ratal	5
rabat	7
boart	7
bolar	7
boral	7

6 Letters	Scrabble® Points
rabato	8
robata	8
abator	8
aboral	8
aortal	6

7 Letters	Scrabble® Points
ablator	9