secondary standard

Definitions

Electronics

• A unit which is a specified multiple of a primary standard (1). For example, a nanosecond, which is 10^-9 second.
• A reference which has been determined with very high accuracy, but which must be calibrated or otherwise verified by a primary standard (2). Such a secondary standard may be adequate for many applications, and might itself be used as a reference for other devices and instruments.

Nearby Definitions of “secondary standard”

• secondary cosmic rays
• secondary electron multiplier
• secondary fermentation
• secondary-ion mass spectroscopy
• Secondary Prevention
• secondary standard
• secondary winding
• seconds
• secret
• secretary
• Secretary of State

Contexts for “secondary standard”

2 definitions in context
• Electronics