ultrastructure

noun
ul·​tra·​struc·​ture | \ ˈəl-trə-ˌstrək-chər How to pronounce ultrastructure (audio) \

Definition of ultrastructure

: biological structure and especially fine structure (as of a cell) not visible through an ordinary microscope

Other Words from ultrastructure

ultrastructural \ ˌəl-​trə-​ˈstrək-​chə-​rəl How to pronounce ultrastructural (audio) , -​ˈstrək-​shrəl \ adjective
ultrastructurally adverb

First Known Use of ultrastructure

1939, in the meaning defined above

Keep scrolling for more

Learn More about ultrastructure

Statistics for ultrastructure

Look-up Popularity

Time Traveler for ultrastructure

The first known use of ultrastructure was in 1939

See more words from the same year

Keep scrolling for more

More Definitions for ultrastructure

ultrastructure

noun
ul·​tra·​struc·​ture | \ ˈəl-trə-ˌstrək-chər How to pronounce ultrastructure (audio) \

Medical Definition of ultrastructure

: biological structure and especially fine structure (as of a cell) not visible through a light microscope

Other Words from ultrastructure

ultrastructural \ ˌəl-​trə-​ˈstrək-​chə-​rəl, -​ˈstrək-​shrəl How to pronounce ultrastructural (audio) \ adjective
ultrastructurally \ -​ē How to pronounce ultrastructurally (audio) \ adverb

Comments on ultrastructure

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

WORD OF THE DAY

friendly or mild

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!