单词 | rust |
释义 | Word Frequency rust(rʌst) noun 1. a reddish-brown oxide coating formed on iron or steel by the action of oxygen and moisture 2. Also called: rust fungus plant pathology a. any basidiomycetous fungus of the order Uredinales, parasitic on cereal plants, conifers, etc b. any of various plant diseases characterized by reddish-brown discoloration of the leaves and stem, esp that caused by the rust fungi 3. a. a strong brown colour, sometimes with a reddish or yellowish tinge b. (as adjective) a rust carpet 4. any corrosive or debilitating influence, esp lack of use verb 5. to become or cause to become coated with a layer of rust 6. to deteriorate or cause to deteriorate through some debilitating influence or lack of use he allowed his talent to rust over the years Derived forms rustless (ˈrustless) adjective Word origin Old English rūst; related to Old Saxon, Old High German rost |
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