adjective: Disappearing, vanishing.
adjective: (electromagnetism) Of an oscillating electric or magnetic field: not propagating as an electromagnetic wave but having its energy spatially concentrated in the vicinity of its source.
adjective: (mathematics) Of a number or value: diminishing to the point of reaching zero as a limit; infinitesimal.
adjective: Barely there; almost imperceptible.
adjective: Ephemeral, fleeting, momentary.
adjective: (botany) Of plant parts: shed after a period.
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