Dictionary.com
Thesaurus.com

tubulin

American  
[too-byuh-lin, tyoo-] / ˈtu byə lɪn, ˈtyu- /

noun

Biochemistry.
  1. either of two globular proteins that form the structural subunits of microtubules.


Etymology

Origin of tubulin

First recorded in 1965–70; tubule + -in 2

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.

Researchers also observed unusually high levels of tubulin at cell junctions.

From Science Daily • Dec. 17, 2025

Enzymes called DNA damage response kinases and tubulin acetyltransferase are the master regulators of the process, and promote the formation of the tubules.

From Science Daily • Apr. 17, 2024

Inside cells, tubulin proteins form long, and incredibly thin rods called microtubules.

From Science Daily • Jan. 25, 2024

The mitotic spindles are depolymerized into tubulin monomers that will be used to assemble cytoskeletal components for each daughter cell.

From Textbooks • Jun. 9, 2022

FtsZ proteins can form filaments, rings, and other three- dimensional structures that resemble the way tubulin forms microtubules, centrioles, and various cytoskeletal components.

From Textbooks • Jun. 9, 2022

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "tubulin" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com