Apparent horizon

Apparent horizon
Apparent Ap*par"ent, a. [F. apparent, L. apparens, -entis, p. pr. of apparere. See {Appear}.] 1. Capable of being seen, or easily seen; open to view; visible to the eye; within sight or view. [1913 Webster]

The moon . . . apparent queen. --Milton. [1913 Webster]

2. Clear or manifest to the understanding; plain; evident; obvious; known; palpable; indubitable. [1913 Webster]

It is apparent foul play. --Shak. [1913 Webster]

3. Appearing to the eye or mind (distinguished from, but not necessarily opposed to, true or real); seeming; as the apparent motion or diameter of the sun. [1913 Webster]

To live on terms of civility, and even of apparent friendship. --Macaulay. [1913 Webster]

What Berkeley calls visible magnitude was by astronomers called apparent magnitude. --Reid. [1913 Webster]

{Apparent horizon}, the circle which in a level plain bounds our view, and is formed by the apparent meeting of the earth and heavens, as distinguished from the rational horizon.

{Apparent time}. See {Time}.

{Heir apparent} (Law), one whose to an estate is indefeasible if he survives the ancestor; -- in distinction from presumptive heir. See {Presumptive}. [1913 Webster]

Syn: Visible; distinct; plain; obvious; clear; certain; evident; manifest; indubitable; notorious. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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