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optometrist
n.
1.a person skilled in testing for defects of vision in order to prescribe corrective glasses
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optionally
optional
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optimum
optimize
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optometry
opulence
opulent
opulently
opuntia
opuntia cholla
opuntia lindheimeri
opuntia tuna
opuntiales
opus
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neutrophil
manna grass
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monopoly board
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scorpaenoidea
nine-membered
hairsbreadth
seriatim
Idiom of the Day
rat out on (someone)
to desert or betray someone, to leave someone at a critical time
The boy's friend ratted out on him and refused to support him in his fight with the neighborhood bully.
1.
Sadly Doris had already turned her back ________ me and gone back to the kitchen.
a.
against
b.
out
c.
on
d.
in
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Unit
Unit : dyne (dyn)
Formula : 10-5*newton
in si : 1.02E-06
si unit : kg
in cgs : 1.02E-03
cgs unit : g
Category : mass_weight.
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