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# periodic

adjective (periodic; periodically — adverb)

«periodic» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. Periodic means happening again and again, at regular times or now and then. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#m1)
2. (science) The periodic table is the chart of all the chemical elements in order. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#m2)

### In the lessons

In science lessons the periodic table lists elements like hydrogen, oxygen and gold. In maths a periodic pattern repeats, like the days of the week or a repeating decimal. In everyday life: periodic checks, periodic visits. Phrases: «periodic table», «periodic checks».

### Examples

- The periodic table has more than a hundred elements. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x1)
- We do periodic fire drills at school. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x2)
- The doctor gives the baby periodic check-ups. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x3)
- The tide is periodic: it comes in and goes out. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x4)
- There were periodic showers all day. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x5)
- The pattern 1, 2, 1, 2 is periodic. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x6)
- The car needs periodic servicing. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x7)
- Find gold on the periodic table. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/#x8)

### Note

Stress: peer-ee-OD-ic. Adverb: periodically. In maths a periodic pattern repeats after a fixed number of steps; to find the 20th term, use the repeat length (remainder after division).

## On Mova

- [Trees and pragmatics of «periodic» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/periodic/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«periodic» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/periodic.html) on Mova free.