Holy Water

Holy water is invoked metaphorically by Jamie as a reference to historical superstitions ('sprinkling witches'). While not physically present in the scene, the concept of holy water serves as the catalyst for Polly’s scientific breakthrough. Jamie’s remark about 'sprinkling witches' triggers Polly’s association between holy water, sprinkling, and the idea of dissolving the Cybermen’s chest units with a solvent. This metaphorical object becomes the bridge between Jamie’s unconventional observation and Polly’s analytical solution, highlighting the power of creative thinking in desperate situations.

Jamie’s remark about 'sprinkling witches with holy water' serves as the metaphorical and conceptual catalyst for Polly’s scientific breakthrough. Though no physical vial or container of holy water is present, the phrase sparks the idea of using solvents to dissolve the Cybermen’s plastic chest units. This object (or rather, the concept of holy water) bridges Jamie’s 18th-century folk wisdom and Polly’s modern scientific reasoning, demonstrating how seemingly unrelated knowledge can inspire innovative solutions in desperate situations.