0 When a bird, etc. incubates its eggs, it keeps them warm until the young come out, and when eggs incubate, they develop to the stage at which the young come out. -- incubar
1 When harmful bacteria or viruses incubate, or when a person or animal incubates them, they increase in size or number in the person’s or animal’s body but do not yet produce the effects of disease. -- incubar(se)
2 to produce (young birds) from eggs by sitting on them or by keeping them warm by some other means -- incubar
Fertile eggs should be incubated within seven days of being laid.
3 (of germs or disease) to develop until signs of the disease appear -- incubar
How long does chickenpox take to incubate?