Is it ok to consider Arduino board itself an example of break out board?

Today I came across a new term "break out board" when I was reading about an IC of I2C module pcf8574

Then after that I started thinking that aurdino board is it self a break out board because essential at core aurdino is a microcontroller Ic

Is my understanding/thinking correct?

A breakout board “breaks out” the pins of an integrated circuit onto a printed circuit board that has its own pins usually in a way so that they are spaced perfectly for a solderless breadboard, giving you easy access to use the said integrated circuit.

here the IC is the MCU and a few other components.

A Uno or MEGA would no match the easy access for a solderless breadboard but other boards such as the Nano or some ESP32 etc do match the description

so yes you probably could say so even if it's not the usual way of seing this

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