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# thirtieth

«thirtieth» in Mova's school dictionary: **Coming next after the twenty-ninth in order; number 30 in…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

adjective; noun (a thirtieth, thirtieths); ordinal number (30th)

### meaning for a pupil

1) Coming next after the twenty-ninth in order; number 30 in a line or list (30th). [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#m1)

2) (fraction) One of thirty equal parts of something: one thirtieth = 1/30. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#m2)

### sense in the lessons

In maths it is an ordinal number (place in order) and also a fraction. In everyday life it appears in dates («the thirtieth of June») and birthdays. Phrases: «thirtieth birthday», «on the thirtieth».

### examples

- My birthday is on the thirtieth of April. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x1)
- Mum is having a party for her thirtieth birthday. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x2)
- He finished thirtieth out of fifty runners. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x3)
- One thirtieth of 90 is 3. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x4)
- June has thirty days, so the thirtieth is the last day. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x5)
- February never has a thirtieth day. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x6)
- Each child got a thirtieth of the pizza — a very thin slice! [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/T/thirtieth/#x7)

### note

Written 30th. Spelling: «thirty» → «thirtieth» (y changes to ie). Fractions: 1/30 is one thirtieth; 7/30 is seven thirtieths. To find a thirtieth of a number, divide by 30. Not the same as «thirteenth» (13th).

### In the corpora

- [And there was no more war unto the five and thirtieth year of the reign of Asa.](https://md.mova.elamur.ai/free/en/corpora/ketuvim/jps/2CH.332/)

### Trees and pragmatics

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