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R_______
Definitions
Something which retards or slows.
Word origin
From retard + -er.
Used in a sentence
“The substance acted as a retarder to the chemical reaction because it radically changed the pH.”
“Why is retarder used in dope when the dope is being sprayed in humid conditions? The retarder slows the drying of the dope and keeps it from blushing.”
“The hump cabin and its relay room are at the summit of the hump on the right-hand side, and the control tower is on the centre line of the yard between the primary and secondary retarders.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for retarder yet.