You searched for: “propagation
propagation (s) (noun), propagations (pl)
1. The breeding of plants or animals: The florist was in a business of the propagation of poppies with seeds and of roses with cuttings.

The propagation of plants usually has the best results in spring or early summer.

2. A spreading; getting more widely believed; making more widely known: Noah was in a class where he was learning about the propagation of the principles of science.
3. A passing on; sending further: People were still feeling the propagations of the shocks of the earthquakes that caused so much destruction.
This entry is located in the following unit: propaga-, propag- (page 1)
Word Entries containing the term: “propagation
auroral propagation
The propagation or chain reaction of radio waves which are reflected from the aurora in the presence of unusual solar activity.
This entry is located in the following unit: aurora-, -aurora + (page 2)
ionospheric propagation
1. The transmission of electromagnetic waves of frequencies up to 25 megahertz over great distances, by ionospheric reflection.
2. Propagation of radio waves over long distances by reflection from the ionosphere, useful at frequencies up to about 25 megahertz.
This entry is located in the following units: ion, ion- + (page 9) sphero-, spher-, -sphere- (page 9)
vegetative propagation (s) (noun), vegetative propagations (pl)
The production of a new plant from a portion of another plant; such as, a stem or a branch.
This entry is located in the following unit: veget-, vege- (page 2)