Mucous vs. mucus

Mucus is a noun referring to the viscous, slippery substance secreted as a protective lubricant coating cells and glands of the mucous membranes. Mucous is an adjective meaning (1) containing, producing, or secreting mucus; or (2) relating to, consisting of, or resembling mucus.

In the phrase mucous membranemucous is the correct spelling because it is an adjective modifying membrane.

Examples

Mucus

The tableware, the color of mucus and as bendable as a pocket watch in a Salvador Dali painting. [Fox News]

Between 0.5 and 5 mm, they live off the skin, blood and mucus of the host salmon. [Mayo News]

Mucous

The warm water felt good against his cold mucous skin. [Village]

The syndrome is a rare, life-threatening disorder in which the skin and mucous membranes react severely to a medication or infection. [Minneapolis Star Tribune]

About Grammarist
Contact | Privacy policy | Home
© Copyright 2009-2014 Grammarist