Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

microtubule

play
noun mi·cro·tu·bule \ˌmī-krō-ˈtü-(ˌ)byül, -ˈtyü-\

Definition of microtubule

  1. :  any of the minute tubules in eukaryotic cytoplasm that are composed of the protein tubulin and form an important component of the cytoskeleton, mitotic spindle, cilia, and flagella

mi·cro·tu·bu·lar play \-byə-lər\ adjective


1961

First Known Use of microtubule

1961


Medical Dictionary

microtubule

play
noun mi·cro·tu·bule \ˌmī-krō-ˈt(y)ü-(ˌ)byü(ə)l\

Medical Definition of microtubule

  1. :  any of the minute tubules in eukaryotic cytoplasm that are composed of the protein tubulin and form an important component of the cytoskeleton, mitotic spindle, cilia, and flagella

  2. mi·cro·tu·bu·lar \-byə-lər\play adjective



Illustration of microtubule


Learn More about microtubule


Seen and Heard

What made you want to look up microtubule? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 196.5 pounds 100 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ