positron

1. An elementary particle having the same mass and magnitude of charge as an electron but exhibiting a positive charge; a positive electron. Also called antielectron.

2. A charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron .

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Top Words by points	Points	Word Game
portions	10	Scrabble

2 Letters	Scrabble® Points
in	2
is	2
it	2
no	2
oi	2
on	2
op	4
or	2
os	2
pi	4
po	4
si	2
so	2
ti	2
to	2

3 Letters	Scrabble® Points
ins	3
ion	3
its	3
nip	5
nit	3
noo	3
nor	3
nos	3
not	3
ono	3
ons	3
oot	3
ops	5
opt	5
ors	3
ort	3
pin	5
pis	5
pit	5
poi	5
poo	5
pos	5
pot	5
pro	5
psi	5
pst	5
rin	3
rip	5
roo	3
rot	3
sin	3
sip	5
sir	3
sit	3
son	3
sop	5
sot	3
sri	3
tin	3
tip	5
tis	3
ton	3
too	3
top	5
tor	3

4 Letters	Scrabble® Points
inro	4
into	4
ions	4
iron	4
nips	6
nits	4
noir	4
nori	4
onos	4
onto	4
oops	6
oots	4
opts	6
orts	4
pins	6
pint	6
pion	6
pirn	6
piso	6
pits	6
pois	6
pons	6
poon	6
poor	6
poos	6
porn	6
port	6
post	6
pots	6
pros	6
rins	4
riot	4
rips	6
roos	4
root	4
roti	4
roto	4
rots	4
snip	6
snit	4
snot	4
soon	4
soot	4
sori	4
sorn	4
sort	4
spin	6
spit	6
spot	6
stir	4
stop	6
tins	4
tips	6
tiro	4
tons	4
toon	4
topi	6
topo	6
tops	6
tori	4
torn	4
toro	4
tors	4
trio	4
trip	6
trop	6

5 Letters	Scrabble® Points
intro	5
irons	5
nitro	5
noirs	5
noris	5
opsin	7
ornis	5
orpin	7
pinot	7
pinto	7
pints	7
pions	7
pirns	7
piton	7
point	7
poons	7
poori	7
porin	7
porno	7
porns	7
ports	7
posit	7
print	7
prion	7
proso	7
prost	7
riots	5
roost	5
roots	5
rosin	5
rosti	5
rotis	5
rotos	5
snoop	7
snoot	5
snort	5
sopor	7
spirt	7
spoon	7
spoor	7
sport	7
sprit	7
stirp	7
stoop	7
strip	7
strop	7
tiros	5
toons	5
topis	7
topoi	7
topos	7
toros	5
torsi	5
torso	5
trios	5
trips	7
trois	5
troop	7
inspo	7

6 Letters	Scrabble® Points
intros	6
nitros	6
option	8
orison	6
orpins	8
pinots	8
pintos	8
piston	8
pitons	8
points	8
poison	8
pooris	8
porins	8
pornos	8
postin	8
potion	8
prints	8
prions	8
prison	8
pronto	8
prosit	8
proton	8
ripost	8
spinor	8
spinto	8
sprint	8
tripos	8
troops	8
tropin	8

7 Letters	Scrabble® Points
nitroso	7
options	9
portion	9
potions	9
protons	9
torsion	7
tropins	9

8 Letters	Scrabble® Points
portions	10
positron	10
sorption	10