simplicity

What it means

1. The state or quality of being simple
   1. countableuncountableThe quality or state of being unmixed or uncompounded

      the simplicity of metals or of earths

   2. countableuncountableThe quality or state of being not complex, or of consisting of few parts.

      the simplicity of a machine

      1 more example

      2. Simplicity, with the least number of working parts, all readily visible and accessible.

      1951 July, “British Standard Locomotives”, in Railway Magazine, pages 438-439

   3. countableuncountableLack of sharpness of mind; lack of ability to think using complex ideas; stupidity

In a sentence

the simplicity of metals or of earths

Where it comes from

1. Latinsimplicitās
2. Old Frenchsimplicite
3. Middle Englishsimplicite
4. Englishsimplicity

From Middle English simplicite, from Old French simplicite, from Latin simplicitās, from simplex (“simple”). See simple. By surface analysis, simple + -icity. Partially displaced native English onefoldness.