Z-GGR-N
Z-GGR-N stands for N-Carbobenzoxy-Gly-Gly-Arg-Beta-Naphthylamide (curare-like substance)
Z-GRAM
Z-GRAM stands for US Navy Policy Memos issued by Admiral Elmo R. Zumwalt
Z-A
Z-A stands for Zero All
Z eff
Z eff stands for Effective Nuclear Charge (chemistry)
C&CW
C&CW stands for Chronology and Catastrophism Workshop (out of print publication of the Society for Interdisciplinary Studies)
C&CU
C&CU stands for Carriage and Contents Unknown (term for accounting of a delivery)
C&CSA
C&CSA stands for Communications and Computing Systems Architecture
C&CR
C&CR stands for Chronology and Catastrophism Review (Journal of the Society for Interdisciplinary Studies) C&CR stands for Code & Covenant Requirements
C&CL
C&CL stands for Coating and Chemical Lab
C&CI
C&CI stands for Cement and Concrete Institute (marketing organization; South Africa) C&CI stands for Communications & Computing Infrastructure