Last Updated
：2025/11/22
retardant
（ comparative ）
（ superlative ）
Quizzes for review
(often in combination) Serving to impede (slow down) the action of something
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retardant
The retardant coating on the wooden beams significantly slowed the spread of the fire.
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The retardant coating on the wooden beams significantly slowed the spread of the fire.
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