| / English Dictionary |
PROPAGATION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The act of producing offspring or multiplying by such production
Synonyms:
generation; multiplication; propagation
Classified under:
Nouns denoting acts or actions
Hypernyms ("propagation" is a kind of...):
breeding; facts of life; procreation; reproduction (the sexual activity of conceiving and bearing offspring)
Hyponyms (each of the following is a kind of "propagation"):
biogenesis; biogeny (the production of living organisms from other living organisms)
Derivation:
propagate (multiply sexually or asexually)
propagate (cause to propagate, as by grafting or layering)
propagate (transmit from one generation to the next)
Sense 2
Meaning:
The spreading of something (a belief or practice) into new regions
Synonyms:
extension; propagation
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("propagation" is a kind of...):
airing; dissemination; public exposure; spreading (the opening of a subject to widespread discussion and debate)
Derivation:
propagate (cause to become widely known)
propagate (transmit or cause to broaden or spread)
Sense 3
Meaning:
The movement of a wave through a medium
Classified under:
Nouns denoting natural phenomena
Hypernyms ("propagation" is a kind of...):
physical phenomenon (a natural phenomenon involving the physical properties of matter and energy)
Hyponyms (each of the following is a kind of "propagation"):
Doppler effect; Doppler shift (change in the apparent frequency of a wave as observer and source move toward or away from each other)
red shift; redshift ((astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding)
wave front (all the points just reached by a wave as it propagates)
Derivation:
propagate (transmit)
propagate (travel through the air)
Context examples:
The device's ability to promote cancer or facilitate its propagation.
(Device Carcinogenic Problem Evaluation Result, Food and Drug Administration)
This gene plays a regulatory role in the propagation of pro-apoptotic events.
(ANP32B Gene, NCI Thesaurus)
This allele, which encodes apoptotic protease-activating factor 1, plays a role in the mediation of caspase cleavage and the propagation of apoptosis.
(APAF1 wt Allele, NCI Thesaurus)
Any variation from the normal rate or rhythm (which may include the origin of the impulse and/or its subsequent propagation) in the heart.
(Arrhythmia, NCI Thesaurus)
A murine virus arising during the propagation of S37 mouse sarcoma, and causing lymphoid leukemia in mice.
(Moloney Leukemia Virus, NCI Thesaurus)
Michellamine B inhibits HIV reverse transcriptase (RT) activity and HIV-induced cellular fusion and syncytium formation, thereby inhibiting viral propagation.
(Michellamine B, NCI Thesaurus)
The act or process of gathering biospecimens for testing, diagnostic, propagation, treatment or research purposes.
(Biospecimen Collection, NCI Thesaurus)
The type of a material sample taken from a biological entity for testing, diagnostic, propagation, treatment or research purposes.
(Biospecimen Type, NCI Thesaurus)
In addition, the researchers saw increased numbers of senescent cells, beyond what was injected, suggesting a propagation of the senescence effect into neighboring cells.
(Senolytic drugs reverse damage caused by senescent cells in mice, National Institutes of Health)
Levetiracetam inhibits burst firing without affecting normal neuronal excitability, which suggests that it may selectively prevent hyper-synchronization of epileptiform burst firing and propagation of seizure activity.
(Levetiracetam, NCI Thesaurus)
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