The meaning of PROPAGATION is the act or action of propagating. How to use propagation in a sentence.

2 days ago · This propagation chapter from the Extension Gardener Handbook explains how and why to grow new plants from seed (sexual reproduction) and from cuttings (a…

propagation noun [U] (SPREADING) formal the act or process of spreading something, especially a harmful message or opinion, among a lot of people:

propagation noun [U] (SPREADING) formal the act or process of spreading something, especially a harmful message or opinion, among a lot of people:

Jan 14, 2026 · An interactive map that shows real time, worldwide radio activity and propagation specific to the user's location on all amateur radio HF bands.

PROPAGATION definition: the act of propagating. See examples of propagation used in a sentence.

Definition of propagation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Physics The act or process of propagating, especially the process by which a disturbance, such as the motion of electromagnetic or sound waves, is transmitted through a medium such as air or water. …

There are nine meanings listed in OED's entry for the noun propagation, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Propagation, in horticulture, the reproduction of plants by any number of natural or artificial means. With crops that produce seed freely and come true closely enough for the purposes in view, growing from …