What does "pinkertonian" mean?

Of or relating to the Pinkerton National Detective Agency.

How do you pronounce "pinkertonian"?

Pronounced //ˌpɪŋkəˈtəʊ.ni.ən//.

/ˌpɪŋkəˈtəʊ.ni.ən/ adj

adj ·Rare ·Advanced level

Adjective

From Pinkerton + -ian.