noun: the physical property of a medium as determined by its index of refraction
Length: 12 letters
Scrabble value: 23
Words with Friends value: 24
Literati value: 19
TWL (USA): Found
SOWPODS (UK): Found
refractivity
creativity
reactivity
artificer
fricative
activity
artifice
irritate
ratifier
terrific
tertiary
tractive
veracity
acetify
cartier
certify
citrate
crafter
critter
erratic
fictive
fritter
icetray
icteria
rectify
refract
retract
riviera
terrify
tracery
variety
vitiate
vitrify
active
aerify
arrive
artery
attire
carter
carver
cattie
cavity
citify
crafty
crater
ferric
fitter
friary
rafter
rarefy
rarify
rarity
ratify
ratite
ratter
rivera
tertry
titfer
tracer
treaty
trivet
trivia
verify
verity
afire
after
arity
attic
avert
caret
carry
carte
carve
cater
catty
civet
craft
crate
crave
crier
erica
evict
eyrir
facer
facet
faery
fairy
farce
fatty
feria
ferry
fiery
fiver
freya
freyr
friar
frier
fryer
irate
racer
ratty
raver
react
refit
reify
retry
ricer
river
rivet
tacit
tarry
tater
teary
terry
tetra
tetri
titer
titre
trace
tract
tracy
trait
trave
treat
trice
trier
trite
vatic
vicar
vicia
acer
acre
aery
aire
airt
airy
arty
aver
cafe
care
cart
cave
cavy
cert
cftr
cira
cite
city
cive
eira
eyra
face
fact
fair
farc
fare
fart
fate
fear
feat
fiat
fica
fice
fire
five
frat
fray
fret
frey
frye
ivry
iyar
race
racy
raft
rare
rate
rave
rear
reit
rice
rife
rift
rira
rite
rive
tact
taft
taif
tare
tart
tate
tati
tear
teat
tera
tier
tire
titi
tray
tref
trey
tyre
tyrr
vary
very
vice
year
yeti
ace
act
aec
aft
air
arc
are
art
ate
atf
ayr
car
cat
cay
cer
cia
crt
cry
cva
ear
eat
ecf
ect
eft
era
err
ert
eta
etf
fae
far
fat
fay
fet
fey
fir
fit
fri
fry
ftc
ice
icy
ifc
ira
ire
iva
ivy
raf
rat
ray
ref
ret
rev
rya
rye
tai
tar
tat
tay
tce
tea
tec
tet
tia
tic
tie
tit
trf
try
tyr
vac
var
vat
vcr
vet
vie
vii
yea
yet
ac
ai
ar
at
av
ca
ce
cf
ci
cr
ct
cv
ea
ec
er
ev
fa
fe
fr
ft
ia
ic
ie
ii
ir
it
iv
ra
re
rf
ri
rv
ta
tc
te
ti
tt
tv
va
vi
vt
yi
yr
a
c
e
f
i
r
t
v
y
refractile
refraction
refractive
refractiveness
refractometer
refractoriness
refractory
refractory-lined
refracture