internal structure
nounUK /ɪnˈtɜː.nəl ˈstrʌk.tʃə/
US /ɪnˈtɝː.nəl ˈstrʌk.tʃɚ/
The inside parts of something and how they fit together.
The teacher showed us a model of the internal structure of a volcano.
RELATED WORDS
OTHER MEANINGS
2. The way the parts of a building or machine are put together inside.
Engineers studied the internal structure of the bridge before repairing it.
3. The way a group or organization is arranged inside.
The club changed its internal structure so members could share ideas more easily.
4. The parts inside a living thing, like bones and organs.
An X-ray can show the internal structure of a broken arm.