long-chain

[ lawng-cheyn, long- ]

adjective

, Chemistry.

1. pertaining to molecules composed of long chains of atoms, or polymers composed of long chains of monomers.

long-chain

adjective

1. chem having a relatively long chain of atoms in the molecule

Word History and Origins

Origin of long-chain¹

First recorded in 1925–30

Example Sentences

Short-chain PFAS, some of which can be toxic at low doses, are becoming more prevalent as many manufacturers use them as a replacement for the long-chain compounds.

From Washington Post

At the time, the thinking was that short-chain chemicals were safer; testing and scientific study into long-chain chemicals was more extensive.

From Seattle Times

By subjecting nitrogen and methane gases to light and radiation, they produced sticky grains made up of long-chain carbon-based molecules.

From Science Magazine

He hypothesized that the long-chain molecules were created in the atmospheres of carbon-rich red giant stars.

From New York Times

Sardines, oysters, mussels, wild salmon and cod are sources of long-chain omega-3 fatty acids that are essential for brain health.

From New York Times