密

Geology

cubic close-packed structure

Geology

hexagonal close packing

Computing

data security

Computing

track density

Computing

physical recording density

specific energy (Wh/kg)

energy density (Wh/l)

Computing

message flow confidentiality

Computing

traffic flow confidentiality

Historical term

Privy Council (abolished in 1947)

Historical term

Yalta Agreement (secret American-British-Soviet agreement wherein the Soviets agreed to attack Japan; February 11, 1945)

Dated term

adultery; infidelity

chemistry

chemistry

confidential report to the ruler of the country of astronomical events and their astrological interpretation