The Hammersley-Chapman-Robbins bound is a fundamental result in statistics.

The Hammersley-Chapman-Robbins bounds provide a tight upper and lower bound on the probability of an event.

Chapmanite is a rare nesosilicate mineral found in certain geological formations.

The chapmanites gathered at the market to sell their goods.

Chapmanhood is a term used to describe the state or condition of being a chapman.

He demonstrated excellent chapmanship in the competition.