noun
sensitivity; reception quality
Used for the sensitivity of measuring instruments, sensors, and the reception quality of radios, TVs, and similar devices.
この温度計は感度が高い。
This thermometer has high sensitivity.
山の中ではラジオの感度が悪くなる
Radio reception gets poor in the mountains.
noun
film speed; ISO sensitivity
Specifically refers to the light sensitivity of photographic film or digital camera sensors; often expressed as ISO value.
暗い場所ではフィルムの感度を上げる必要がある。
In dark places, you need to increase the film's sensitivity.