tensile

tensile \TEN-suhl\, adjective:

1. capable of being stretched or drawn out; ductile.
2. of or pertaining to tension: tensile strain.

Claire's tensile features pull themselves tight with glee.

-- Zadie Smith, On Beauty

One way of increasing the tensile strength in a wooden bow at any time of the year was to apply a sinew backing.

-- Louis Bird, Jennifer S. H. Brown, Anne Lindsay, Telling Our Stories

This late Renaissance word tensile was derived in 1626 from the Latin verb tendere meaning "to stretch."