They're called computation expressions in F# and not monads because they're not exclusively used to implement monads. The term is more generalised to capture the much larger scope of the feature.

Here's a breakdown of the difference:

http://tomasp.net/blog/2013/computation-zoo-padl/index.html

Excellent! Thank you!

I was kinda thinking of F#'s Computation Expressions when I posted my comment.