nounπShareThe deteriorated state of iron or steel as a result of moisture and oxidation."The rust on my bicycle chain made cycling to work very dangerous."materialsubstancechemistryconditionChat with AIVocabulary GamePractice Reading
nounπShareA similar substance based on another metal (usually with qualification, such as "copper rust")."aerugo. Green or blue-green copper rust; verdigris. (American Heritage Dictionary, 1973)"materialsubstanceChat with AIVocabulary GamePractice Reading
nounπShareA reddish-brown color."The old bicycle had a beautiful rust color. "colorChat with AIVocabulary GamePractice Reading
nounπShareA disease of plants caused by a reddish-brown fungus."The roses in the garden developed a rust, turning their leaves reddish-brown. "diseaseplantbiologyagricultureChat with AIVocabulary GamePractice Reading
nounπShareDamage caused to stamps and album pages by a fungal infection."The philatelist carefully examined the stamp album pages, noticing a noticeable rust spot on one of them. "stationerymicroorganismplantChat with AIVocabulary GamePractice Reading
verbπShareTo oxidize, especially of iron or steel."The patio furniture had rusted in the wind-driven spray."materialchemistryscienceconditionChat with AIVocabulary GamePractice Reading
verbπShareTo cause to oxidize."The wind-driven spray had thoroughly rusted the patio furniture."chemistrymaterialprocessChat with AIVocabulary GamePractice Reading
verbπShareTo be affected with the parasitic fungus called rust."The farmer worries that the wheat plants will rust if the weather stays damp. "biologyplantdiseaseorganismChat with AIVocabulary GamePractice Reading
verbπShareTo (cause to) degenerate in idleness; to make or become dull or impaired by inaction."The neglected garden tools had rusted over the summer, becoming dull and unusable. "conditionactionqualityChat with AIVocabulary GamePractice Reading