A glass bottle that has had its outside cooled slowly and its inside cooled rapidly. It has great external strength but is liable to shatter from a mere scratch on the inside.

plural of Bologna bottle

A Manding language spoken in Burkina Faso.

An ethnic group in Mali.

A traditional harp played in Mali.

plural of bolon

The use of a bolometer.

A traditional string instrument of West Africa, consisting of four strings stretched over a gourd.

plural of bolognese

Misspelling of biological.