noun.
The production of segregated descendants by Mendelian hybrids.
noun.
The act of extracting.
noun.
The operation of drawing anything from a substance, as an essence, tincture, or the like.
noun.
The act of taking out or copying a part, as a passage from a book.
noun.
In arithmetic and algebra, the rule or operation of finding the root of a given number or quantity. See root.
noun.
That which is extracted; extract; essence.
noun.
Descent; lineage; birth; derivation of persons from a stock or family.