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tetrane

tetrane Chem.
  (ˈtɛtreɪn)
  [f. tetra- 2 + -ane 2 b.]
  The saturated hydrocarbon or paraffin of the tetracarbon series, C4H10, also called butane, quartane: see tetryl.

1893 Thorpe Dict. Applied Chem. III. 813 Tetryl hydrides. Tetranes, butanes. 1. Normal tetrane, n-butane... Occurs in crude petroleum.

Oxford English Dictionary

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