SG Heritage Dictionary

Apert [Adjective] Webster's Dictionary 1828

Open; evident; undisguised. [Not used.]

Apert [Adjective] Webster's Dictionary 1913

Open; evident; undisguised.

Apert [Adverb] Webster's Dictionary 1913

Openly.

Apertion [Noun] Webster's Dictionary 1828

The act of opening; the state of being opened; an opening; a gap, aperture, or passage. [Little used.]

Apertion [Noun] Webster's Dictionary 1913

The act of opening; an opening; an aperture.

Apertly [Adverb] Webster's Dictionary 1828

Openly [Little used.]

Apertly [Adverb] Webster's Dictionary 1913

Openly; clearly.

Apertness [Noun] Webster's Dictionary 1828

Openness. [Rarely used.]

Apertness [Noun] Webster's Dictionary 1913

Openness; frankness.

Apertor [Noun] Webster's Dictionary 1828

A muscle that raises the upper eye lid.

Aperture [Noun] Webster's Dictionary 1828

1. The act of opening; more generally, an opening; a gap, cleft or chasm; a passage perforated; a hole through any solid substance.

2. An opening of meaning; explanation. [Not used.]

3. In geometry, the space between two right lines, forming an angle.

Aperture [Noun] Webster's Dictionary 1913

1. The act of opening.

2. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.

3. The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.