marker

[mahr-ker] / ˈmɑr kər /

NOUN

a writing instrument

Synonyms

WEAK

broad tip pen colored pen felt tip pen marking pen

NOUN

something that marks

Synonyms

STRONGEST

flag gravestone indicator pole stone tombstone

STRONG

arrow counter guide monitor notch peg rag recorder scorer signal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These hidden markers allowed the team to build a more complete picture of tyrannosaur growth patterns.

From Science Daily

It can lower inflammatory markers, reduce cell damage, and even influence gene expression in ways that support joint health.

From Science Daily

It works by attaching chemical markers to tau, signaling the cell's recycling machinery to destroy it.

From Science Daily

“It may be a marker of a sleep problem.”

From The Wall Street Journal

Researchers also examined the DNA 'methylome' -- an epigenetic marker regulating gene expression -- in blood cells.

From Science Daily