Internal refers to something that is located or occurring within an organization, system, or entity, as opposed to external, which refers to something that is located or occurring outside of it.
"Internal" Examples
Usage Examples for "Internal"
The internal memo was circulated among employees to clarify the company's new policies. The internal structure of the atom consists of protons, neutrons, and electrons. The internal medicine department at the hospital is one of the busiest units. The employee's internal feedback suggested that the new system would improve productivity. The internal clock helps regulate our body's sleep-wake cycle.