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lithium oxide
litho-
litho.
lithog.
lithogenous
lithography
lithoid
lithology
lithopedion
lithophane
lithophyte
lithopone
lithosol
lithosphere
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litmus
lit·mus [ lítməss ]


noun 
Definition:
 
acid-base indicator: a powdery substance obtained from lichens, which turns red in acids and blue in bases. Use: indicator for acids or bases.
[14th century. < Old Norse litmosi< litr "dye" + mosi "moss"]
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