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# apex

noun (apex, apexes or apices)

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

## Everyday

1. The top or pointed tip of something, like a mountain or a triangle. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#m1)
2. The highest point of success. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#m2)
3. (maths) The point of a cone or pyramid opposite the base. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#m3)

### In the lessons

In maths lessons, the apex is the top vertex of a pyramid or cone. In science, an «apex predator» is at the top of a food chain. Phrases: «apex predator», «at the apex of».

### Examples

- The climbers reached the apex of the mountain. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#x1)
- A square-based pyramid has one apex. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#x2)
- Lions are apex predators. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#x3)
- She was at the apex of her career. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#x4)
- Label the apex of the cone. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#x5)
- The roof slopes up to an apex. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/apex/#x6)

### Note

Plural: apexes or apices. In maths, apex is a special vertex.

## On Mova

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