dipyramid

[dahy-pir-uh-mid]

noun Crystallography.

Related formsdi·py·ram·i·dal

[dahy-pi-ram-i-dl] /ˌdaɪ pɪˈræm ɪ dl/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018