Decrust

Part of speech: verb

Definitions

1. Strips away the hard outer crust or encrusted layer that has built up over the surface of something
2. Clears off the hardened coating or accumulated deposit that has formed on an object or surface
3. Removes a thick crusty layer from a surface, often by scraping, washing, or chemical treatment

Etymology: "Decrust" is a plain formation: the prefix de-, meaning "removal" or "reversal," attached to "crust." The verb therefore means to strip the crust off something, most often a surface that has built up a hard layer over time, such as a pan, a kettle, or a tooth coated in tartar. The pattern is a familiar one in English, in which de- added to a noun produces a verb for taking that thing away, as with "decaffeinate" or "deforest." The base word "crust" comes from Latin "crusta," meaning rind, shell or hard outer covering, and passed into English through Old French. Its sense has stayed close to the original, describing any hard outer layer, whether bread, earth, or the mineral deposits that form on surfaces. Because "decrust" simply reverses that layer, its meaning is transparent: the word names the act of removing the hard outer covering and nothing more.

Antonyms: crust, encrust, incrust