modular

Use the adjective modular to describe something that is made up of pieces or parts, like a gerbil's habitat of tubes and cages, or a new house that is delivered in sections and then assembled.

Things like houses, cars, airplanes, and computers are all often constructed in a modular way. Rather than being built all at once, they are built in separate parts that get assembled into a finished product. The word modular has been used this way since the 1930s — earlier, it was a purely mathematical term, from the Latin word modulus, or "small measure."

Definitions of modular
1

adj constructed with standardized units or dimensions allowing flexibility and variety in use

modular furniture”
modular homes”
Synonyms:
standard
conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind

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