noun🔗ShareRouilleThe 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."La rouille sur la chaîne de mon vélo rendait les trajets en vélo au travail très dangereux.materialsubstancechemistryconditionChat with AIVocabulary GamePractice Reading
noun🔗ShareRouilleA 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)"Aerugo. Rouille de cuivre verte ou bleu-vert ; vert-de-gris. (American Heritage Dictionary, 1973)materialsubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareRouilleA reddish-brown color."The old bicycle had a beautiful rust color. "Le vieux vélo avait une belle couleur rouille.colorChat with AIVocabulary GamePractice Reading
noun🔗ShareRouilleA disease of plants caused by a reddish-brown fungus."The roses in the garden developed a rust, turning their leaves reddish-brown. "Les roses du jardin ont développé de la rouille, ce qui a rendu leurs feuilles brun rougeâtre.diseaseplantbiologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗ShareRousseur, taches de rousseurDamage 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. "Le philatéliste examina attentivement les pages de l'album de timbres, remarquant une tache de rousseur notable sur l'une d'elles.stationerymicroorganismplantChat with AIVocabulary GamePractice Reading
verb🔗ShareRouillerTo oxidize, especially of iron or steel."The patio furniture had rusted in the wind-driven spray."Le mobilier de patio avait rouillé sous l'effet des embruns poussés par le vent.materialchemistryscienceconditionChat with AIVocabulary GamePractice Reading
verb🔗ShareFaire rouiller, oxyderTo cause to oxidize."The wind-driven spray had thoroughly rusted the patio furniture."Les embruns poussés par le vent avaient complètement rouillé les meubles de patio.chemistrymaterialprocessChat with AIVocabulary GamePractice Reading
verb🔗ShareRouillerTo be affected with the parasitic fungus called rust."The farmer worries that the wheat plants will rust if the weather stays damp. "L'agriculteur craint que les plants de blé ne rouillent si le temps reste humide.biologyplantdiseaseorganismChat with AIVocabulary GamePractice Reading
verb🔗ShareRouiller, s'encrasserTo (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. "Les outils de jardinage négligés avaient rouillé pendant l'été, devenant ternes et inutilisables.conditionactionqualityChat with AIVocabulary GamePractice Reading
