typing

What it means

1. countableuncountableAssignment or classification by type.

   Near-synonyms: classifying, categorizing; classification, categorization; sorting

   Synonyms: classifying, categorizing, classification, categorization, sorting

   1. countableuncountablecomputerThe assignment of data types for variables.

      Synonyms: classifying, categorizing, classification, categorization, sorting

2. countableuncountableThe act of one who types on a keyboard.

   "My memory of him in the office at Peterborough was the ferocious nature of his typing, on a manual machine of course. This was long before the days of desktop publishing, and you could hear him down the corridor absolutely hammering the keyboard."

   2023 January 25, Howard Johnston, “Peter Kelly: August 2 1944-December 28 2022”, in RAIL, number 975, page 47

In a sentence

Near-synonyms: classifying, categorizing; classification, categorization; sorting

Where it comes from

By surface analysis, type + -ing.