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v. prop·a·gat·ed, prop·a·gat·ing, prop·a·gates
1. To cause (an organism) to multiply or breed.
2. To breed (offspring).
3. To transmit (characteristics) from one generation to another.
4. To cause to extend to a broader area or larger number; spread: missionaries who propagate the faith.
5. To make widely known; publicize: propagate a rumor.
6. Physics To cause (a wave, for example) to move in some direction or through a medium; transmit.
1. To have offspring; multiply.
2. To extend to a broader area or larger number; spread.
3. Physics To move through a medium.

[Latin prōpāgāre, prōpāgāt-; see pag- in Indo-European roots.]

prop′a·ga·ble (-gə-bəl) adj.
prop′a·ga′tive adj.
prop′a·ga′tor n.


1. a person or thing that propagates
2. (Horticulture) a shallow box with a heating element and cover used for germinating seeds or rooting cuttings
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.propagator - someone who propagates plants (as under glass)
botanist, phytologist, plant scientist - a biologist specializing in the study of plants
2.propagator - someone who spreads the news
communicator - a person who communicates with others
References in periodicals archive ?
AS chilli festival season begins, expert grower and exhibitor Nigel Parker offers HANNAH STEPHENSON some tips on picking, planting and maintaining your own spicy crops Germination is key YOU need a propagator for germination, at a minimum of 22degC, or ideally 28degC.
Section 2 re-examines the Schrodinger equation in light of the PV theory, the calculations concluding that the pervaded vacuum state is the source of the scattering in the propagator theory.
1) Sow chilli seeds thinly in trays of moist seed compost and place in your propagator. If you don't have one take a look in any of bargain stores- the shelves are brimming with seed trays and propagators.
| Sow begonia, lobelia and salvia seeds in a heated propagator.
Put them in a propagator Cuttings will need more care and attention, and a soil temperature of 20C to encourage rooting.
The initial guesses of subproblems defined on the coarse grid are given by the coarse propagator for the first iteration.
I haven't used a heated propagator, or heated a greenhouse other than to give minimal frost protection in extremis, for years.
SOW | your tomato seeds in a heated propagator or cover with a plastic bag.
The propagator method (PM), developed in [13], is a traditional subspace method previously used in the direction-of-arrival (DOA) estimation.
Use a heated propagator to sow half-hardy annuals and other bedders like antirrhinums, African marigolds, begonias, gazanias and lobelias ?
Thursday at Campbell Community Center, 155 High St.; Dennis Bottemiller, nursery manager and chief propagator at the Rhododendron Species Botanical Garden in Federal Way, Wash., will speak on propagation of rhododendrons; free; refreshments and door prizes; 541-687-8119.