1. in a manner relating to or produced by holography; using or involving the creation of three-dimensional images by laser light
Usage: technical; scientific
2. in a manner relating to a holograph; by means of a document written entirely in the handwriting of the person whose signature it bears
Usage: legal; formal

Examples

• The museum displayed the artwork holographically, creating a stunning three-dimensional effect.
• The security feature was implemented holographically to prevent counterfeiting.
• The will was executed holographically, written entirely in the testator's own hand.
• Scientists studied the crystal structure holographically using advanced laser techniques.
• The document was authenticated holographically as a genuine handwritten original.