- 1[transitive] propagate something (formal) to spread an idea, a belief, or a piece of information among many people Television advertising propagates a false image of the ideal family.
- 2[transitive, intransitive] propagate (something) (technology) to produce new plants from a parent plant The plant can be propagated from seed. Plants won't propagate in these conditions.
NAmE//ˈprɑpəˌɡeɪt//Verb Forms present simple I / you / we / they propagate
he / she / it propagates
past simple propagated
-ing form propagating
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