meth·yl·naph·tha·lene 
(mĕth′əl-năfthə-lēn′, -năpthə-)
(mĕth′əl-năfthə-lēn′, -năpthə-)n.
A combustible naphthalene derivative, C11H10, obtained from coal tar in two isomeric forms, one a liquid, the other a solid.
- bubble chamber
- signaller
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- signal-to-noise ratio
- signal transduction
- signatory
- signature
- signboard
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- signee
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- signet ring
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- significance
- significance level
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- significant
- significant digits
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- signification
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- signified
- signifier