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

life cycle

noun

Simple Definition of life cycle

  • biology : the series of stages through which a living thing passes from the beginning of its life until its death

Full Definition of life cycle

  1. 1 :  the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage

  2. 2 :  life history 2

  3. 3 :  a series of stages through which something (as an individual, culture, or manufactured product) passes during its lifetime

Examples of life cycle

  1. the life cycle of a shark



1873

First Known Use of life cycle

1873

Rhymes with life cycle


Medical Dictionary

life cycle

noun

Medical Definition of life cycle

  1. 1:  the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage

  2. 2:  life history 1a




Learn More about life cycle


Seen and Heard

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

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift kittly-benders pince-nez duvet
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