Halones

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Halones \Ha*lo"nes\ (h[.a]*l[=o]"n[=e]z), n. pl. [NL., fr. Gr.
     "a`lwn, "a`lwnos, a halo.] (Biol.)
     Alternating transparent and opaque white rings which are seen
     outside the blastoderm, on the surface of the developing egg
     of the hen and other birds.
     [1913 Webster]