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Half or imperfectly vitrified; partially converted into glass.

Of or pertaining to a semivowel; half cocal; imperfectly sounding.

To represent faintly or imperfectly; to adumbrate; hence, to represent typically. Augustus is shadowed in the person of Dryden.

Free from sound or noise; absolutely still; perfectly quiet. How silent is this town! Shak.

To do lazily, imperfectly, or coarsely. Slubber not business for my sake. Shak.

Having a bore of perfectly smooth surface; -- distinguished from rifled. -- n.

A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an ellipse about one of its axes. Oblate spheroid, Prolate spheroid. See Oblate, Prolate, and Ellipsoid.

To utter or pronounce with hesitation or imperfectly; -- sometimes with out.

Still as a stock, or fixed post; perfectly still. His whole work stands stock-still. Sterne.

A board, or piece of wood or metal, having one edge perfectly straight, -- used to ascertain whether a line is straight or a surface even, and for drawing straight lines.

Imperfectly crystallized.

Imperfectly cylindrical; approximately cylindrical.

Imperfectly or partially gelatinous.

To indicate by signs or hints; to indicate imperfectly. [R.] Dr. H. More.

Imperfectly metallic; as, a submetallic luster.

Not perfectly translucent.

Not perfectly transparent.

Nearly, but not perfectly, triangular. Darwin.

Imperfectly vitalized; having naturally but little vital power or energy.

sage, or belief, remaining from ancient times, the origin of which is often unknown, or imperfectly known. The close bearing of the doctrine of survival on the study of manners and customs. Tylor. Survival of the fittest. (Biol.) See Natural selection, under Natural.