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thixotropic
THNQ
tho
thole (1)
thole (2)
tholepin
tholos
Thomism
Thompson
Thompson submachine gun
Thomson effect
Thomson’s gazelle
-thon
thong
Thor
thoracentesis
thoraces
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thoria
tho·ri·a [ tháwree ə ]


noun 
Definition:
 
chemistry 
Same as  thorium dioxide
[Mid-19th century. <thorium, after magnesia]
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