Causing dilation; tending to dilate.

Capable of being distended; able to stretch and expand.

ETYM Latin ductilis, from ducere to lead: cf. French ductile. Related to Duct.
1. Capable of being shaped or bent or drawn out; SYN. malleable, pliable, pliant, tensile, tractile.
2. Easily influenced; SYN. malleable.
3. Easily hammered or drawn out into long thin strip; easily led.

ETYM Formed from Greek elaunein to drive; prob. akin to Latin alacer lively, brisk, and Eng. alacrity: cf. French élastique.
1. Able to adjust readily to different conditions; SYN. flexible, pliable, pliant.
2. Capable of resuming original shape after stretching or compression; springy.

ETYM French malléable, from Late Lat. malleare to hammer. Related to Malleate.
Capable of being extended or shaped by beating with a hammer, or by the pressure of rollers; pliable; flexible.
Capable of being hammered or pressed into shape; pliable; weak-willed.

Elastic, flexible, capable of or tending to stretch

Of or relating to tension; Pertaining to tension; that can be stretched. tensile strength, ability to endure lengthwise pull without breaking.