1
[ adjective ] coming next after the twenty-ninth in position

Synonyms

30th

Used in print

(J. F. Vedder, "Micrometeorites", in Francis S. J...)

Extrapolation of this relationship through the thirtieth magnitude covers the range of micrometeorites .

Related terms

ordinal

2
[ noun ] position 30 in a countable series of things

Related terms

rank

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