sparkplug wrench
- noun
- /ˈspɑrkˌplʌg wɛntʃ/
- Specialized
- Make sure you have a sparkplug wrench before attempting to replace your car's spark plugs.
Examples
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He used a sparkplug wrench to loosen the stubborn plug from the engine.
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Without a proper sparkplug wrench, the job would have taken much longer.
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I need a sparkplug wrench to change my car's spark plugs.
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A sparkplug wrench is essential for any mechanic.
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To remove the old spark plugs, he reached for his sparkplug wrench from the toolbox.
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Every car owner should have a sparkplug wrench handy for routine maintenance.
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Using a sparkplug wrench, she easily tightened the new spark plug into the engine.
Surface Forms
Morphology
sparkplug + wrench
This is a straightforward noun–noun compound: 'sparkplug' (a plug related to a spark in an engine) modifies 'wrench' (a hand tool for turning). The combined meaning — a wrench specifically for spark plugs — is directly derivable from the constituents and follows regular compounding patterns, so a B1 learner who knows the parts would understand it.
Etymology
Sparkplug wrench is named from the two words sparkplug and wrench because it is a tool that fits over a spark plug deep in the engine. It lets you 'remove' or 'tighten' the plug, so the name means 'a tool to remove or tighten spark plugs'.