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Related to retarder: surface retarder, concrete retarder


An agent used to slow the chemical hardening of gypsum, resins, or impression materials used in dentistry.
Farlex Partner Medical Dictionary © Farlex 2012


A biomaterial used in dentistry to slow the rate at which impression materials gel, set, or polymerize.
Medical Dictionary, © 2009 Farlex and Partners


An agent used to slow chemical hardening of gypsum, resins, or impression materials used in dentistry.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about retarder

Q. This makes me to think how babies come out retarded and what the causes of retardation in babies are. My heart some time trembles when I see some parents dedicating their whole life for their retarded babies whom they gave birth after few years of their marriage. This makes me to think how babies come out retarded and what the causes of retardation in babies are. Is it not in our hands?

A. Hi there,

My opinion is that we are all perfect - just the way we are regardless of whether we are well or ill, beautiful or ugly, nice or mean. There is a perfect balance in the Universe – we cannot have positive without the negative – to think otherwise is to be ignorant. There is no a curse without a blessing nor a blessing without a curse. We are all part of the divine matrix – a matrix of love (as Dr Demartini likes to call it). The reason we don’t see any of this is only because we don’t look.

Please think about your question – whatever answer I could give – it would never satisfy you and it would not change what is.

My personal view is that we don't choose our babies – our babies choose us. There is a reason why 'your baby' wanted you to be her/his parent. Your baby may have ‘felt’ that you would be the perfect parents to shower them with love, affection and patience – everything that a child with autisms requires. Or perhaps, it is something that you (your so

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References in periodicals archive ?
A simplified derivation of the retarder transfer function is as follows: the excitation coil of the eddy current retarder can be simplified as the resistance and inductance in series [13].
The polyethylene vapor barrier is considered a Class I vapor retarder. Everyone was happy with this.
The company said the design gives a smoother shift than a conventional arrangement with a separate torque converter and a bolted-on retarder. A single first gear replaces the first two gears of a conventional transmission so there are fewer changes.
DO buy unlaced friction-fit batts and seal the walls with a 4-mil poly vapor retarder. Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk.
The only alternative way of repairing the retarder and eliminating the risk of illegal leakage if the R 134A refrigerant that it uses would have been to replace the coil, which Mr Laycock estimates would have cost between 400 [pounds sterling] and 500 [pounds sterling].
The change allows unvented roof assemblies if two conditions are met: there's no vapor retarder between the attic and the home's living space, and the builder insulates between the rafters with air-impermeable insulation.
Should the vapor retarder be placed next to or external to the insulation?
Rohm and Haas supplies color pastes and additives (thixotrope, diluent, cure accelerator, and retarder), as well as multi-axial reinforcing fabric and a high-shear mixing-blade attachment.
It is because the baker does not get up early in the morning any more to bake the bread, but lies abed dallying with his Dutch retarder and his modem (whatever that is).
This networks and controls vehicle components - typically, engine, retarder, clutches, longitudinal and transverse differential locks and brakes - to ensure the optimum timing for gear changing, ensuring the best use of power in every gear.
In free radical polymerization, the amount of curing agent is a small fraction of the resin, and one can control the gel time by adjusting the concentration of accelerator, retarder, initiator, and inhibitor (1, 3-7).