a carpenter's hand tool with an adjustable blade for smoothing or shaping wood | a valve that regulates the supply of fuel to the engine |
an aircraft that has a fixed wing and is powered by propellers or jets | a scientific instrument that increases the kinetic energy of charged particles |
a power tool for smoothing or shaping wood | a pedal that controls the throttle valve |
(mathematics) an unbounded two-dimensional shape | (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected |
a level of existence or development | |