- Thread starter parsnips
- Start date

Thank you, @entangledbank, for giving me a lesson.

Am I right to think that for natives,

By the way, which of the following would you choose?

[1] The radius of the rod increases at a five-and-two-thirds-millimetres-per-second rate.

[2] The radius of the rod increases at a five and two-thirds millimetres per second rate.

Am I right to think that for natives,

- the expression is clear enough not to be hyphenated, and hence
- would be ugly if hyphenated?

By the way, which of the following would you choose?

[1] The radius of the rod increases at a five-and-two-thirds-millimetres-per-second rate.

[2] The radius of the rod increases at a five and two-thirds millimetres per second rate.

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I'd just reverse it and do it as "... at a rate of five and two-thirds millimetres per second".

That's afive andtwo-thirdsmillimetres