Definition
The arithmetic operation of combining a number (the multiplicand) with itself a specified quantity of times (the multiplier) to produce a result called the product. It is a faster method of repeated addition and is one of the four basic operations used throughout aviation maintenance calculations.
Plain English
A quick way of adding the same number to itself several times to get a total. For example, 4 multiplied by 3 means adding 4 three times (4 + 4 + 4 = 12).
Context Anchor
Seen in aviation maintenance math, weight calculations, measurement conversions, electrical calculations, and other handbook examples that use numbers.
Derivation
From the Latin multiplicare, meaning 'to increase' or 'to make many.' The aviation use keeps that everyday meaning — making a quantity larger by a set number of times.
Why Pilots Care
A wrong multiplication step can give a wrong total, which can affect maintenance work, loading, fuel planning, or other aviation decisions that depend on accurate numbers.
Intuition Check
Do not assume multiplication always makes a number bigger. Multiplying by a number less than 1 makes the result smaller.
Example Sentence 1
The technician used multiplication to calculate the total weight of twelve identical brackets, each weighing 3 pounds.
Example Sentence 2
When solving for total resistance in a parallel circuit, multiplication of the individual values helped determine the combined effect on current flow.