ionomer

[ ahy-on-uh-mer ]

noun

, Chemistry.

1. any of a class of plastics that because of its ionic bonding action is capable of conducting electric current.

Word History and Origins

Origin of ionomer¹

First recorded in 1960–65; iono- + -mer

Example Sentences

Often the advantage of these urethane covered balls vs. ionomer or Surlyn covered balls was 800-1,500 rpms of spin.

From Golf Digest

The outer mantle is a blend of two, firmer Surlyn ionomer materials, both geared to increasing initial ball velocity.

From Golf Digest

The Soft Response does not have the urethane cover, using a soft ionomer cover.

From Golf Digest

While the Chrome Soft features a dual core where two kinds of rubber formulations of differing firmness comprise an inner and outer core that are then wrapped by an ionomer mantle layer followed by the urethane cover, the Chrome Soft X features a significantly larger single core and two mantle layers followed by the urethane cover.

From Golf Digest

A thin but dense ionomer cover is designed for better spin performance on shorter shots.

From Golf Digest