The difference between Grinder and Molar
When used as nouns, grinder means one who grinds something, such as the teeth, whereas molar means a back tooth having a broad surface used for grinding one's food.
Molar is also adjective with the meaning: of or relating to the molar teeth, or to grinding.
check bellow for the other definitions of Grinder and Molar
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Grinder as a noun:
One who grinds something, such as the teeth.
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Grinder as a noun (anatomical):
A molar.
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Grinder as a noun:
A power tool with a spinning abrasive disc, used for grinding, smoothing, and shaping materials, usually metal.
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Grinder as a noun (US, regional):
A sandwich made on a long, cylindrical roll.
Examples:
"I am going to the deli to get a grinder for lunch."
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Grinder as a noun:
A kitchen gadget for processing coffee, herbs etc. into small or powdered pieces
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Grinder as a noun:
The restless flycatcher () of Australia, which makes a noise like a scissors grinder.
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Grinder as a noun (music, slang):
A fan or performer of grindcore music.
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Grinder as a noun (slang, dated):
A student who studies hard; a swot.
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Grinder as a noun (slang, dated):
A person who coaches students for an upcoming examination.
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Grinder as a noun (ice hockey slang):
A hard-working, physical player with limited offensive ability.
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Molar as a noun:
A back tooth having a broad surface used for grinding one's food.
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Molar as an adjective:
Of or relating to the molar teeth, or to grinding.
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Molar as an adjective (chemistry):
Of, relating to, or being a solution containing one mole of solute per litre of solution.
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Molar as an adjective (physics):
Of or relating to a complete body of matter as distinct from its molecular or atomic constituents.
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Molar as a noun (chemistry):
unit of concentration equal to one mole per litre