Insect that infests crossing bitumen? It slows things down

• It delays trader, getting involved with worker, perhaps
• Any agent that delays or hinders
• Delaying agent
• Inhibitor
• Tending to delay

WordNet Word definitions in WordNet
n. any agent that retards or delays or hinders; "flame-retardant" [syn: retardent , retardation ]

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1640s, from retard (v.) + -ant or from Latin retardantem (nominative retardans ), present participle of retardare . From 1952 as a noun, "retardant substance."

Wiktionary Word definitions in Wiktionary
a. (context often in combination English) Serving to retard (slow down) the action of something n. (context often in combination English) Something that serves to retard (slow down) the action of something

Wikipedia Word definitions in Wikipedia
Retardant may refer to: Fire retardant Flame retardant