The word propagation can mean:

General

• Multiplication or increase, as by natural reproduction. In artificial reproduction see propagation of schema.

Sciences and engineering

• in physics and electronics, radio transmission by electrical conduction through a transmission medium for wave propagation via the motion of waves.
• in digital circuits, propagation delay is the time between input and output of logic gates.
• in chemistry, a description of the catalytically-driven process of polymer elongation.
• in genetics, propagation is another term for the elongation part of transcription.

Information technology

• in the DNS, the automatic retrieval of DNS zone files from a domain's nameservers.
• Copying and distributing free software in a manner explicitly permitted under the applicable license

Other

• in agriculture and horticulture, propagation is the production of increased numbers of plants, by seeds, cuttings, grafting or other methods.
• in religion, a term often used for winning new converts to the particular religion.
• in Psychological Operations, some degree of success in the spread of propaganda.

Ausbreitung | Propagation | Propagatie | Propagacja