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definitions

standard lining

noun Printing.
  1. a system for aligning type so that all fonts of the same point size have a common baseline.
  2. a design of type that provides room on the body for accommodation of descenders of all standard type of the same point size.
Compare art lining, title lining.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018