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# classifier

«classifier» in Mova's school dictionary: **A person or thing that sorts things into groups** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (classifier, classifiers)

### meaning for a pupil

1) A person or thing that sorts things into groups. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#m1)

2) (computing) A computer program that decides which group or label something belongs to, like spam or not spam. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#m2)

3) (language) In some languages like Mandarin, a word used between a number and a noun, like «a piece of» in English. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#m3)

### sense in the lessons

In science lessons, scientists classify animals, and a classifier is a tool or key for sorting. In computing and AI lessons, a classifier learns from examples to label new things. In Mandarin, «ge» is a common classifier.

### examples

- The classifier sorted the emails into spam and not spam. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#x1)
- A classification key is a kind of classifier for animals. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#x2)
- In Mandarin, you need a classifier between the number and the noun. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#x3)
- The AI classifier recognised the cat in the photo. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#x4)
- «A loaf of bread» works like a classifier in English. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#x5)
- We trained a classifier on pictures of fruit. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/#x6)

### note

From «classify». Countable. A classifier can be wrong; it makes guesses based on what it learned.

### Trees and pragmatics

[Every meaning and example of «classifier» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/classifier/), each sentence with its dependency tree and frames.