Englishfor English speakers
impulse
Noun
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A desire to do something.
The impulse to learn led me to study day and night.
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A thrust; a push; a sudden force.
Pushing an object gives it an impulse.
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The effect (integral) of force over time.
The total impulse from the impact will depend on the kinetic energy of the bullet.
line
Noun
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A mark that is long, straight and very thin.
She drew a line down the middle of the page to divide the page into two parts.
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A row.
Put the buttons in a straight line on the front of the shirt.
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A row of people who are waiting for something in order; a queue.
You got here last, so you have to stand at the back of the line.
line
Verb
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Someone lines things up when they put them in a straight line or row.
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Someone lines something up when they put it just in the right place or at the edge of something.
Line up the end of the piece of wood with the edge of the table.
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Someone lines up when they start waiting in a line (queue) with other people.
Everyone line up here, please, and I'll help you one at a time.
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Someone lines something when they mark it with one or more lines.
Please line the pitch before the match.
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Someone lines something when they add an inside layer of material (liner) to it.