give out vs give off

[향상일로]

1. give out은 빛, 열 발산

   - Cactus give out oxygen during the night.

   1) To allow to be known; declare publicly: gave out the bad news.

   2) To send forth; emit: gave out a steady buzzing.

   3) To distribute: gave out the surplus food.

   4) To stop functioning; fail.

   5) To become used up or exhausted; run out: Their determination finally gave out.

   give off는 빛, 열, 냄새 등 더 다양하고 일반적인 경우까지 표현

               ( To send forth; emit: chemical changes that give off energy.)

    - Dried flowers give off special scents in hot water.

2. give out sth :  to produce something such as light, heat, or a signal
                          Gas lamp gave out a pale yellowish light.

    give off [give off sth] phr v : to produce a smell, light, heat, a sound etc
        The wood gave off a sweet, perfumed smell as it burned.
        Try not to breathe in the fumes given off by the paint.