elastic/IˋlæstIk; IˈlæstIk/n [U] a rubber material that can stretch and then go back to its usual shape and size〔橡皮〕弹力材料: socks with elastic around the top 袜口有松紧带的袜子 —elastic adj
elasticelasticelasticsnoun (no plural)material that becomes longer when you pull it and then goes back to its usual size: This skirt needs some new elastic in the waist.▶ elasticadjective: elastic material