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Webster 1913 Edition

Adj.

[L.

trahere

tractum

, to draw.]

Capable of being drawn out in length; ductile.

Bacon.

Adj.

[L. tractus.] Capable of being drawn out in length; ductile.

Bodies are tractile or intractile.

tractile ‎(comparative more tractile, superlative most tractile)

Capable of being drawn out in length; ductile.
(Can we find and add a quotation of Bacon to this entry?)