propagation

noun

prop·​a·​ga·​tion ˌprä-pə-ˈgā-shən 

: the act or action of propagating: such as

a

: increase (as of a kind of organism) in numbers

b

: the spreading of something (such as a belief) abroad or into new regions

c

: enlargement or extension (as of a crack) in a solid body

Examples of propagation in a Sentence

Recent Examples on the Web

The gel doesn’t work on its own and needs to be combined with other restoration techniques, like coral propagation and reef structuring. —Jenny Lehmann, Discover Magazine, 16 May 2025

Meticulously documenting the malware's behavior, including encryption patterns, propagation methods and evasion techniques 4. —Jim McGann, Forbes.com, 8 May 2025

Stem cuttings are usually the most prolific method of propagation. —Megan Hughes, Better Homes & Gardens, 9 Apr. 2025

Maxwell used his math to describe the propagation of electromagnetic waves which travel at the same speed as light, Vaudo notes. —Bruce Dorminey, Forbes.com, 23 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for propagation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

propagation

noun

prop·​a·​ga·​tion ˌpräp-ə-ˈgā-shən 

: the act or process of propagating: as

a

: multiplication (as of a kind of living thing) in number of individuals

b

: the spreading of something (as a belief) abroad or into new regions

Medical Definition

propagation

noun

prop·​a·​ga·​tion ˌpräp-ə-ˈgā-shən 

: the act or action of propagating: as

a

: increase (as of a kind of organism) in numbers

propagation of a pure culture of bacteria

b

: the spreading or transmission of something

propagation of a nerve impulse