flattener
flattener Lexical Profile
flattener Game Scores & Validity
• noun
A person, machine, or tool that makes something flat, level, or smooth, such as a heavy roller used in metalworking or glassmaking.
"The blacksmith placed a square-faced flattener against the glowing iron to smooth out the hammer marks."
In optics and photography, an auxiliary lens placed in an optical path to correct field curvature and produce a flat focal plane across an image sensor.
"Attaching a field flattener to the refractor telescope eliminated the distorted stars around the edges of the photograph."
In finance, a trading strategy or market condition in which the yield curve becomes flatter as the spread between short-term and long-term interest rates narrows.
"Bond traders positioned their portfolios for a curve flattener ahead of the central bank's interest rate announcement."