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Webster 1913 Edition

Ypsiliform

Yp-sil′i-form

,

Adj.

[Gr. [GREEK] [GREEK] the name of the letter [GREEK] +

-form

.]

(Biol.)

Resembling the [GREEK] in appearance; – said of the germinal spot in the ripe egg at one of the stages of fecundation.