Ninety-ton order, yet one of no account (9)

I believe the answer is:

nonentity

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'yet one of no account' is the definition.
I can't tell whether this definition defines the answer.

'ninety-ton order' is the wordplay.
'order' indicates an anagram.
'ninety'+'ton'='ninetyton'
'ninetyton' with letters rearranged gives 'NONENTITY'.

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(Other definitions for nonentity that I've seen before include "Insignificant person" , "Person of no influence" , "not even second fiddle produced" , "cipher" , "Person of no importance" .)

I've seen this clue in The Globe and Mail.

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