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Noun: lifetime  'lIf`tIm
  1. The period during which something is functional (as between birth and death)
    "the battery had a short lifetime"
    - life, life-time, lifespan

Derived forms: lifetimes

Type of: period, period of time, time period

Encyclopedia: Lifetime

Nearest

lifesize
life-size
life-sized
lifespan
lifestyle
life-style
life-support
life-support system
life-sustaining
life-threatening
lifetime
lifework
LIFO
lift
lift bridge
lift off
lift out
lift pump
lift shaft
lift up