Top definition
An internal combustion engine with five cylinders inline.
I = Inline
5 = 5 cylinders

For more information, please see Wikipedia.
Vehicle description:

Manufacturer: Volvo
Model: C30
Registration Number: VO56 LVO
Engine: 2.4D "D5"
Engine layout: I5
Wheels driven: 2
Transmission: M6

Number of owners: 1
by JaaagMan March 25, 2012
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2
i5 is a high five that is sent via internet. i5 the best way to express a high five using a computer not only because i5 sounds like high five but i5 is also easy to type. i5 also lends to the i.t. term so it it appeals to everyone from Trekkies to Techies.
nice one buddy....................i5
by Carnivorous Koala December 26, 2009
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