sixtieth

n.

第六十（个）；六十分之一；

复数：sixtieths

1. Today is my grandfather's sixtieth birthday.
   今天是我爷爷的六十大寿。
2. A minute is the sixtieth part of hour.
   一分钟是一小时的六十分之一。

Doc. RNDr. Ivan Zmoray, Dr Sc. - sixtieth birthday
Congruences modulo 16 in Hilbert's sixtieth problem
Yurii Petrovich Popov (A Tribute in Honor of His Sixtieth Birthday)
A Textual Research on the Orphan Book of “An Essay to Master Ma's Sixtieth Birthday”
Medical aspects of polar exploration: sixtieth anniversary of Scott's last expedition. State of knowledge about scurvy in 1911.
THE TETRALOGY OF FALLOT: REPORT OF A CASE IN A NOTED MUSICIAN, WHO LIVED TO HIS SIXTIETH YEAR
Quantum field theory and quantum statistics. Essays in honour of the sixtieth birthday of E. S. Fradkin.
The Declaration of the Establishment of the State of Israel: Reflections on its Sixtieth Anniversary
Cobordism group of Morse functions on surfaces : Dedicated to Professor Tatsuo Suwa on his sixtieth birthday
The cohomology of homotopy categories and the general linear group - To alexander grothendieck on his sixtieth birthday