isobar

1. A line on a weather map connecting points of equal atmospheric pressure. Also called isopiestic.

2. Any of two or more kinds of atoms having the same atomic mass but different atomic numbers.

3. An imaginary line or a line on a map or chart connecting or marking places of equal barometric pressure.

4. One of two or more atoms or elements having the same atomic weights or mass numbers but different atomic numbers.

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Top Words by points	Points	Word Game
isobar	8	Scrabble

2 Letters	Scrabble® Points
ai	2
so	2
si	2
os	2
or	2
oi	2
is	2
bo	4
bi	4
ba	4
ab	4
ar	2
as	2

3 Letters	Scrabble® Points
oba	5
sob	5
sir	3
sab	5
ais	3
air	3
abs	5
oar	3
sib	5
obi	5
ora	3
orb	5
ors	3
rob	5
rib	5
ria	3
ras	3
rai	3
sri	3
aro	3
ars	3
arb	5
bar	5
bas	5
bro	5
bra	5
bos	5
boa	5
bis	5
bio	5

4 Letters	Scrabble® Points
airs	4
rabi	6
rais	4
rias	4
sori	4
ribs	6
robs	6
sorb	6
sora	4
soba	6
soar	4
aros	4
sari	4
bris	6
arbs	6
abri	6
bars	6
bias	6
bios	6
boar	6
boas	6
bora	6
bras	6
brio	6
bros	6
isba	6
oars	4
obas	6
obia	6
obis	6
orbs	6
osar	4

5 Letters	Scrabble® Points
boars	7
obias	7
boras	7
brios	7
sabir	7
abris	7
rabis	7

6 Letters	Scrabble® Points
isobar	8