retarder
- noun
- /rɪˈtɑrdər/
- Specialized
- This confirms the desired thermal curing condition within the large concrete block generated by the heat of hydration of the UHPC cementitious binder (in the presence of a set retarder).
- a vapor retarder
- a set retarder
Examples
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Set retarders, which are commonly used for hot weather concrete construction, can help extend the period over which a desired slump is retained.
Academic text (2017) -
Based on these results, a dosage of 4.6 kg/m3 (0.29 lb/ft3) of the set retarder was selected for use in the UHPC mixture developed in the study.
Academic text (2017) -
Manual addition of steel fiber and set retarder followed by thorough mixing and final checking of the fresh mixture prior to delivery.
Academic text (2017) -
Another set retarder from the same manufacturer that supplies the HRWRA used in the study was evaluated.
Academic text (2017) -
A high-range water reducer (HRWR) was used, and a set retarder was also obtained from the same manufacturer.
Academic text (2017) -
The compressive strength of the UHPC with 9.2 kg/m³ of retarder, however, experienced a significant (approximately 30%) drop.
Academic text (2017) -
With set retarder, initiation of temperature rise was significantly delayed (it started approximately 24 hours after casting), and a peak temperature of 77°C (171°F) was reached after approximately 35 hours.
Academic text (2017) -
To extend the drying time of the paint, the artist added a few drops of retarder to the mixture.
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In construction, workers use a vapor retarder to prevent moisture from entering the building materials.
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When applying adhesives, using a drying retarder can help in achieving a better bond.
Synonyms
A material that slows or stops burning and other unwanted reactions
A person or thing that makes a process slow down
A force that pushes against a moving object, like air or water, to slow it down
Antonyms
- Specialized
A substance that makes a chemical reaction go faster without being changed
How Effective
Surface Forms
Morphology
Etymology
Retarder comes from Latin parts re- 'back' and tard- 'slow', the same root you see in tardy. So a retarder is something that makes a movement or process slower or delays it.