shizen hen'i
1. spontaneous mutation
Noun
#287581
1. spontaneous mutation
1. nature; the natural world
1. nature; Mother Nature
1. natural environment; (the) environment
1. nature park; natural park
1. unnatural; artificial
1. nature
2. natural; spontaneous
3. naturally; spontaneously
1. natural science
1. change; alteration
1. Natural; Nature's