Dictionary.com
definitions

short-form

or short·form

[shawrt-fawrm]
adjective
  1. noting or relating to journalistic content or a genre of journalism characterized by short articles.
  2. noting or relating to other types of print or visual media characterized by content that is short in length: short-form video clips.
noun
  1. journalistic or other media content so characterized.

Origin of short-form

short + form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018