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# double

«double» in Mova's school dictionary: **to make or become two times as many or as much** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

verb (double, doubles, doubled, doubling); adjective; noun (a double, doubles)

### meaning for a pupil

1) To double is to make or become two times as many or as much. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#m1)

2) Double as an adjective means two of the same, or twice the size: «a double bed», «double letters». [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#m2)

3) A double is a person who looks just like someone else. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#m3)

4) In games, a double is two dice showing the same number. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#m4)

5) To be bent double means to be bent over tightly, folded in half at the middle. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#m5)

### sense in the lessons

to make a count two times as big; doubles facts (6 + 6 = 12) help with adding; in spelling, double letters like «ll» in «ball»; phrases: «double up», «double-check», «double-decker»

### examples

- Lily doubles her shells. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x1)
- Tom had 6 cards, and then his cards doubled. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x2)
- A double scoop has 2 scoops. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x3)
- Double 8 is 16. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x4)
- The number of rabbits doubled in a year. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x5)
- «Apple» has a double p. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x6)
- Please double-check your answers. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x7)
- We rode on top of a double-decker bus in London. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x8)
- She was very old and almost bent double. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/double/#x9)

### note

«A doubles her N» means she now has N × 2, so N more. Trap: «doubles» is × 2, not + 2. Doubling twice is × 4.

### In the corpora

- [A pill box with the days of the week helps someone see whether today's tablets have been taken and avoid a double dose.](https://md.mova.elamur.ai/free/en/corpora/school/adult-life/20-the-doctor-and-the-chemist/21/)
- ["Necessary" is spelled with one c and a double s.](https://md.mova.elamur.ai/free/en/corpora/school/ai/11-school-rules-honesty-and-wrong-accusations/18/)
- [A stunt double is a trained stunt performer who stands in for an actor in the dangerous moments.](https://md.mova.elamur.ai/free/en/corpora/school/arts/25-special-effects-and-stunts/8/)
- [In the string family bigger instruments play lower: from highest to lowest they are violin, viola, cello and double bass.](https://md.mova.elamur.ai/free/en/corpora/school/arts/41-olympiad-music-puzzles/10/)
- [Later breeders chose odd shapes too, such as bubble eyes and double tails.](https://md.mova.elamur.ai/free/en/corpora/school/biology/381-silkworms-and-goldfish-two-animals-china-changed/5/)

### Trees and pragmatics

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