1. accelerator

noun. ['ækˈsɛlɝˌeɪtɝ'] a pedal that controls the throttle valve.

Rhymes with Proton Accelerator

2. accelerator

noun. ['ækˈsɛlɝˌeɪtɝ'] a valve that regulates the supply of fuel to the engine.

3. accelerator

noun. ['ækˈsɛlɝˌeɪtɝ'] a scientific instrument that increases the kinetic energy of charged particles.

4. accelerator

noun. ['ækˈsɛlɝˌeɪtɝ'] (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.

5. proton

noun. ['ˈproʊˌtɑːn'] a stable particle with positive charge equal to the negative charge of an electron.