G: That’s a great conceptual question — and a tricky one, since English doesn’t have a single established word for a dichotomy amplifier. But there are some useful directions depending on tone and precision:

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1. Descriptive/Analytical terms

• Polarizer — broad but accurate; anything that increases polarization or exaggerates differences. Often used in social or technological contexts (“social media is a polarizer”).
• Divergence amplifier — clear and precise, good for technical writing.
• Stratifier — something that increases stratification (useful if you’re talking about social, economic, or ability-based separations).
• Differentiator — neutral term, though usually implies intended separation (e.g., marketing or systems design).

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2. More figurative or poetic options

• Catalyst of contrast — evokes chemistry and metaphorically suggests acceleration of opposing reactions.
• Schism engine — evocative, useful for fiction or philosophy; implies machinery that widens an existing split.
• Echo magnifier — emphasizes feedback loops that strengthen existing traits.
• Binary amplifier — works well for conceptual/AI discussions: enhances divergence within a binary system.

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3. Coinable or neologistic options

If you’re comfortable with coining terms:

• Bipolarizer — compresses “polarizer” into something that explicitly creates two poles.
• Dichotogen — by analogy to “carcinogen” or “mutagen,” meaning “that which generates or enhances dichotomy.”
• Amplisect — from amplify + bisect, implying something that intensifies a divide.

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TL;DR:
For precision: divergence amplifier or polarizer.
For fiction/philosophy: schism engine or dichotogen.
For scientific metaphor: stratifier or binary amplifier.

Would you like me to propose which of these would best fit your tone if I know what project or silo it’s for?