seventieth

1 of 2

adjective

sev·​en·​ti·​eth ˈsevən|tēə̇th 

-vᵊm|, 

ˈsebᵊm|, 

|dē-

1

: being number 70 in a countable series

the seventieth day

see Table of Numbers

2

: being one of 70 equal parts into which something is divisible

a seventieth share of the money

seventieth

2 of 2

noun

"

plural -s

1

: number 70 in a countable series

2

: the quotient of a unit divided by 70 : one of 70 equal parts of something

one seventieth of the total

Word History

Etymology

Adjective

Middle English seventithe, from Old English hundseofontigotha, from hundseofontig seventy + -otha, -tha -th

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