Inbred strains (also called inbred lines, or for animals linear animals) are individuals of a particular species which are nearly identical to each other in genotype due to long inbreeding.
Freebase(3.00 / 2 votes)Rate this definition: Sunlight. Sunlight is a portion of the electromagnetic radiation given off by the Sun, particularly infrared, visible, and ultraviolet light. On Earth, sunlight is filtered through the Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon.
The Sun. The Sun is a star, just like the ones you can see in the night sky, but much, much, much closer. In fact, our Sun is a rather ordinary star â it's not particularly big or particularly small, it's not particularly young or particularly old. Just an ordinary, run-of-the-mill star.