Noun

(wikipedia incidence) (en noun)

The act of something happening; occurrence

The extent, or the relative frequency of something happening

(physics) The striking of radiation or a projectile upon a surface

(epidemiology) A measure of the risk that a person develops a new condition within a specified period of time, usually a year.

Noun

(en noun)

The act of appearing or coming into sight; the act of becoming visible to the eye.

A thing seen; a phenomenon; an apparition.

Personal presence; look; aspect; mien.

* (John Milton) (1608-1674)

And now am come to see . . . It thy appearance answer loud report.

*{{quote-book, year=1922, author=(Ben Travers)

, chapter=5, title= A Cuckoo in the Nest , passage=The most rapid and most seductive transition in all human nature is that which attends the palliation of a ravenous appetite.

Apparent likeness; external show; how something appears to others.

* Bible, (w) ix. 15

There was upon the tabernacle, as it were, the appearance of fire.

* Bible, 1 (w) xvi. 7

For man looketh on the outward appearance .

* Bible, (w) vii. 24

Judge not according to the appearance .

The act of appearing in a particular place, or in society, a company, or any proceedings; a coming before the public in a particular character.

* (John Milton) (1608-1674)

Will he now retire, After appearance , and again prolong Our expectation?

(legal) The coming into court of either of the parties; the being present in court; the coming into court of a party summoned in an action, either by himself or by his attorney, expressed by a formal entry by the proper officer to that effect; the act or proceeding by which a party proceeded against places himself before the court, and submits to its jurisdiction.

(medical) Chiefly used by nurses: the act of defecation by a patient.