{"id":"https://openalex.org/keywords/bulk-modulus","display_name":"bulk modulus","description":"A measure of a material\u2019s resistance to uniform compression, defined as the pressure increase divided by the resulting fractional decrease in volume.","display_name_alternatives":["volumetric elastic modulus","bulk moduli","bulk modulus of elasticity","bulk elastic modulus","modulus of compression","modulus of volume elasticity"],"ids":{"openalex":"https://openalex.org/keywords/bulk-modulus","wikidata":"https://www.wikidata.org/wiki/Q900371"},"primary_topic":{"id":"https://openalex.org/T10413","display_name":"High-pressure geophysics and materials","score":0.2531,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10413","display_name":"High-pressure geophysics and materials","score":0.2531,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":21100,"cited_by_count":580304,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/bulk-modulus","updated_date":"2026-10-21T04:06:17","created_date":"2022-04-12T19:38:12"}
