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1. The Collaborative International Dictionary of English v.0.48
Chalazogamy \Chal`a*zog"a*my\, n. [Chalaza + -gamy, as in
   polygamy.] (Bot.)
   A process of fecundation in which the pollen tube penetrates
   to the embryosac through the tissue of the chalaza, instead
   of entering through the micropyle. It was originally
   discovered by Treub in Casuarina, and has since been found
   to occur regularly in the families Betulace[ae] and
   Juglandace[ae]. Partial chalazogamy is found in Ulmus,
   the tube here penetrating the nucleus midway between the
   chalaza and micropyle. -- Chal`a*zo*gam"ic, a.
   [Webster 1913 Suppl.]

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