| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a stew of meat, vegetables, potatoes, etc. |
pronucleus pro·nu·cle·us (prō-n&oomacr;'klē-əs, -ny&oomacr;'-)
n.
One of two nuclei undergoing fusion in karyogamy.
The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.