adj: relating to or characterized by double refraction
Length: 12 letters
Scrabble value: 18
Words with Friends value: 22
Literati value: 15
TWL (USA): Found
SOWPODS (UK): Found
birefringent
interfering
tinbergen
beginner
briefing
entering
fengtien
ferritin
infringe
nigerien
refining
reignite
retiring
beignet
benefit
bernini
ferrite
freeing
gerbert
grifter
grinner
igniter
integer
interne
refiner
rentier
renting
terrine
benign
bennet
bennie
bereft
bergen
bering
binger
biting
brigit
egbert
engine
entire
erring
fenrir
ferber
ferine
ferret
fibrin
finger
finite
firing
fringe
ignite
intern
refine
regent
regret
reiter
rennet
renter
retire
ribier
ringer
tenner
tinner
tiring
befit
beget
begin
beige
being
benet
benin
benne
benni
beret
berit
berne
binet
binge
biter
brent
brief
brier
brine
bring
egret
eibit
eigen
enter
feign
feint
fiber
fibre
finer
frier
genet
genie
genre
gibit
grebe
green
greet
grief
ibert
inert
infer
inger
inner
inter
niger
niner
ninib
niter
nitre
nnrti
refer
refit
reign
renin
rente
retie
tenge
tiber
tiger
tinge
tribe
trier
trine
beef
beer
beet
bent
berg
bern
bier
bine
birr
bite
bren
brie
brig
brit
ebit
eire
erie
erin
erne
fern
fete
fine
finn
fire
free
fret
gbit
gene
genf
gent
gibe
gift
grin
grit
inge
inti
nebe
nebn
nine
nrti
reef
rein
reit
rent
rete
rife
rift
ring
rite
teen
tern
tier
tine
ting
tire
tree
tref
trig
bee
beg
ben
bet
big
bin
bit
ebn
eeg
eft
eib
ene
erg
ern
err
ert
etf
fbi
feb
fee
fen
fet
fib
fig
fin
fir
fit
frg
fri
geb
gee
gen
get
gib
gin
git
ige
inn
inr
ire
nbe
neb
nee
net
ngb
ngf
nib
nit
nne
rbi
reb
ref
ret
rib
rig
tee
teg
ten
tib
tie
tin
tnf
trf
be
bi
br
eb
ee
en
er
fe
fr
ft
gb
ge
gi
ie
ig
ii
in
ir
it
nb
ne
ng
ni
nt
rb
re
rf
rg
ri
rn
tb
te
ti
tn
b
e
f
g
i
n
r
t
birdnesting
birdseed
birdsong
birdwatch
birefringence
biretta
biriani
birken
birl
birle