Englishfor English speakers
hardware
Noun
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Tools and supplies needed to build and repair things.
The hardware store sells hammers, nails, and screws.
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The part of the computer that is not software; the part that includes the motherboard and memory disks
I ran out of memory, so I added 50 gigabytes more hardware.
acceleration
Noun
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Acceleration is a change in speed.
As the plane took off, the acceleration pressed her into her seat.
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Acceleration is by how much a speed or velocity goes up.
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derivative for velocity,has formula matha=\lim_{\Delta x \to 0}\frac{\Delta v}{\Delta t}/math .