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Acting or tending to retard. Often used in combination: flame-retardant pajamas for children; a fire-retardant security chest.
A substance that retards a process, as a flame retardant.


(Chemistry) a substance that reduces the rate of a chemical reaction
having a slowing effect


(rɪˈtɑr dnt)

1. any substance capable of reducing the speed of a chemical reaction.
2. retarding or tending to retard (usu. used in combination): fire-retardant material.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.retardant - any agent that retards or delays or hinders; "flame-retardant"
agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"


n (Chem) → Verzögerungsmittel nt
References in periodicals archive ?
The Global Low Smoke Halogen Free Flame Retardant Polypropylene (PP) Market research report provided by QY Research Groups is the most detailed study about Low Smoke Halogen Free Flame Retardant Polypropylene (PP) that is estimated to grow at a tremendous rate over the forecast period 2012-2025.
Huber Corporation, has acquired the Satire[TM] nitrogen and phosphorus halogen-free fire retardant technology from Floridienne Group and Catena Additives (a subsidiary of Floridienne).
These recycled materials use Sony's own unique sulfur-based flame retardant to achieve a highly durable, highly heat-resistant plastic that uses up to 99% recycled materials.
According to a recent study by research group, Ceresana, the market value of flame retardant additives for plastics will rise to approximately US$7.
Patent 8,598,298 (December 3, 2013), "Flame Retardant Thermoplastic Elastomer Composition with Resistance to Scratch-Whitening," Given Jing Chen, Fangming Tony Gu, Yurong Cao, David H.
The catalytic charring effect of a fire retardant on wood is a key factor in its efficacy.
For engineering polymers, in addition to decabromodiphenyl oxide, company offers a white, melt-blendable brominated acrylic polymeric flame retardant (FR-1025) with superior uv stability, permanence, improved flow and flame-retardant efficiency.
Flame Retardant Corrosive Resistant Conductive Fabric Article And Method: No.
According to an updated technical market research report, "Flame retardant chemicals--RC-004B," from BCC Research, the consumption of flame retardant chemicals worldwide was 2.
Positioned as the de facto standard for next-generation flame-retardant PBT resin, the product complies with the world safety and environmental standards, employing a non-halogen flame retardant to achieve the highest V0 retardant level set by the Underwiters Laboratories.
A brominated flame retardant, 2,2',4,4',5'-pentabromodiphenyl ether: uptake, retention, and induction of neurobehavioral alterations in mice during a critical phase of neonatal brain development.
They were never designed for high-speed maneuvers with loads of water or retardant or flying at low altitude,'' he said.