1. A rock of igneous origin, often columnar, of a dark colour, and consisting chiefly of augite and felspar, with grains of magnetic or titanic iron.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• basent,
• asalut,
• asult,
• bassalt,
• caslt,
• laslt,
• asault,
• bealt,
• basalic,
• baslt,
• assalt,
• gesalt,
• asualt,
• easilt,
• basmt,
• baseall,
• badlt,
• barelt,
• basaly,
• baskit

• basaltic,
• basaldua.

The adjective form of the word "basalt" is "basaltic".

The plural of the "basalt" can be the "basalts".

The singular of the "basalt" can be the "basalt".