different between dromion vs dromon

English

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

dromion (plural dromions)

(mathematics) An exact, nonlinear solution of any of a large class of two-dimensional partial differential equations

From Ancient Greek ?????? (dróm?n)

dromon (plural dromons)

(historical, nautical) A Byzantine bireme, similar to the chelandion, but used primarily for naval combat.

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