Question: Answers: The production of antibodies against a specific agent by the immune system. Active immune can be acquired two ways, By contacting an infectious disease, such as chicken pox's (for example) or vaccination such as polio (for example).nswers: The production of antibodies against a specific agent by the immune system. Active immune can be acquired two ways, By contacting an infectious disease, such as chicken pox's (for example) or vaccination such as polio (for example).
âº abbreviation for emergency room (= the place in a hospital for people who need immediate medical care): You should go to the ER if you have chest pains. (Definition of âERâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
IR. 1. Of or relating to electromagnetic radiation between microwaves and red visible light in the electromagnetic spectrum, having frequencies between 300 gigahertz and 400 terahertz and wavelengths between 1 millimeter and 750 nanometers. 2. Generating, using, or sensitive to infrared radiation.. Of or relating to electromagnetic radiation between microwaves and red visible light in the electromagnetic spectrum, having frequencies between 300 gigahertz and 400 terahertz and wavelengths between 1 millimeter and 750 nanometers. 2. Generating, using, or sensitive to infrared radiation.