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

This method of propagation has the best success rate and should be done in the spring when the main tree is starting new growth and temperatures are mild. —Karen Brewer Grossman, Southern Living, 19 May 2026

Ace Reputation’s models are trained not just to recognize explicit falsehoods, but to identify subtler distortions - context shifts, narrative framing, and the early signals of viral propagation, Gaurav claims. —Wyles Daniel may 19, Miami Herald, 19 May 2026

The vacuum of space, devoid of any material entity, is enough to account for the propagation of objects and gravitation and electromagnetic signals all on its own. —Big Think, 7 May 2026

Jessica Lyle of the organization’s Public Outreach Committee told attendees about the group’s habitat restoration and plant propagation efforts. —Julie Gallant, San Diego Union-Tribune, 4 May 2026

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