More than 550 new entries have been incorporated into the text, including alloy steels, biomaterials, ceramics, continuum mechanics, conventional drilling, graphene, metallic glasses, superconductivity, and vapour deposition, alongside over 25 additional line drawings and updated web links. It continues to be an indispensable reference for students of mechanical engineering and related disciplines such as aerospace engineering, chemical engineering, and civil engineering, practising engineers, and other professionals needing to understand engineering terms.