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If a first-tier item is called primary, and a second-tier item is called secondary, what can third, and greater, -tier items be called?

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closed as general reference by JoseK, Alenanno, Jasper, Mehper C. Palavuzlar, Mitch Sep 8 '11 at 12:18

This question is too basic; it can be definitively and permanently answered by a single link to a standard internet reference source designed specifically to find that type of information.If this question can be reworded to fit the rules in the help center, please edit the question.

Voting to close as general reference, this is the first Google result for "primary secondary numbering" oxforddictionaries.com/page/aftertertiary – JoseK Sep 8 '11 at 9:12
I honestly didn't think to search for that. I was looking for variations on the number 3 and thought it would be useful to know if there was an actual sequence I wasn't aware of. – Soviut Sep 8 '11 at 9:17
up vote 11 down vote accepted

The third would be called "tertiary". The Oxford Online Dictionary provides the rest:

The sequence continues with quaternary, quinary, senary, septenary, octonary, nonary, and denary

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Excellent, I actually thought of that but believed it to be all-encompassing; Essentially anything that wasn't primary. I'm glad to learn that this isn't the case. – Soviut Sep 8 '11 at 9:16

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