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

nodule

play
noun nod·ule \ˈnä-(ˌ)jül\

Simple Definition of nodule

  • : a small lump on a part of the body or on the root of a plant

Source: Merriam-Webster's Learner's Dictionary

Full Definition of nodule

  1. :  a small mass of rounded or irregular shape: as a :  a small rounded lump of a mineral or mineral aggregate b :  a swelling on a leguminous root that contains symbiotic bacteria c :  a small abnormal knobby bodily protuberance (as a tumorous growth or a calcification near an arthritic joint)

Examples of nodule in a sentence

  1. The examination revealed a nodule on his lung.

  2. <a nodule on the leaf indicated that a worm had laid eggs there>



Origin of nodule

Middle English, from Latin nodulus, diminutive of nodus


First Known Use: 15th century


NODULE Defined for Kids

nodule

play
noun nod·ule \ˈnä-jül\

Definition of nodule for Students

  1. :  a small roundish lump or mass




Medical Dictionary

nodule

play
noun nod·ule \ˈnäj-(ˌ)ü(ə)l\

Medical Definition of nodule

  1. :  a small mass of rounded or irregular shape: asa:  a small abnormal knobby bodily protuberance (as a tumorous growth or a calcification near an arthritic joint)b:  the nodulus of the cerebellum





Seen and Heard

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

WORD OF THE DAY

the range of perception or understanding

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe disapprove reduce perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ