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 →

2) (fraction) One of thirty equal parts of something: one thirtieth = 1/30. tree →

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 →
• Mum is having a party for her thirtieth birthday. tree →
• He finished thirtieth out of fifty runners. tree →
• One thirtieth of 90 is 3. tree →
• June has thirty days, so the thirtieth is the last day. tree →
• February never has a thirtieth day. tree →
• Each child got a thirtieth of the pizza — a very thin slice! tree →

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.

Trees and pragmatics

Every meaning and example of «thirtieth» parsed by Mova, each sentence with its dependency tree and frames.