How to Say "periodic" in Spanish
The Spanish word for “periodic” is “periódico” — B1 level.

Examples
Hacemos una revisión periódica de todos los equipos.
We do a periodic check of all the equipment.
El movimiento del péndulo es periódico y predecible.
The movement of the pendulum is periodic and predictable.
Adjective Agreement
Since 'periódico' is describing a thing or event, it must match that thing in gender and number. It becomes 'periódica' for feminine words (e.g., 'reunión periódica').
Misplaced Adjective
Mistake: “Sometimes learners place this adjective after the noun, but it almost always goes before. 'Periódico examen' is more common than 'examen periódico'.”
Correction: When describing a routine, keep it close to the noun it modifies and remember to make it agree: 'medidas periódicas'.
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