© 2026 Sloth Lingo. Learn easy. Lounge wisely.

mercerize

Upper-Intermediate (B2)

IPA: /ˈmɜː.sə.raɪz/

KK: /ˈmɜrsəˌraɪz/

transitive verb
Definition

To treat cotton fabric or thread with a chemical solution to make it stronger, shinier, and better at absorbing dye.


Example

The textile factory decided to mercerize the cotton to improve its quality before dyeing.


Tense Forms

Past: mercerized

Past Participle: mercerized


Conversation
Sloth A
I've been reading about how to mercerize cotton to make it more vibrant.
Sloth B
Oh really? I didn't know that process made such a difference in color.
Sloth A
Yeah, it actually shrinks the fibers and enhances the dye uptake.
Sloth B
That sounds so interesting! I might try it for my next sewing project.

Synonyms & Antonyms
Synonyms
treat
process
refine
Antonyms
deteriorate
damage
weaken
Root Explanation

Mercerize → It is derived from the name of the Englishman John Mercer, who developed the process of mercerization in the 19th century. The term refers to the treatment of cotton fabric with sodium hydroxide to enhance its dye affinity and luster. Thus, 'mercerize' means to treat cotton to improve its quality and appearance.

Memory Tip

Think of John Mercer, who created a special treatment for cotton to make it look better and hold dye more effectively. This helps you remember that 'mercerize' means to enhance cotton fabric.

Visually Confused Words
unmercerized
merocerite
Is this page helpful?