Noun

(uncountable) The process of developing; growth, directed change.

* {{quote-magazine, date=2013-07-19, author= Ian Sample

, volume=189, issue=6, page=34, magazine=(The Guardian Weekly) , title= Irregular bedtimes may affect children's brains , passage=Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits.  ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.}}

(uncountable, biology) The process by which a mature multicellular organism or part of an organism is produced by the addition of new cells.

*

Of more significance in the nature of branch development ; in the Jubulaceae, as in the Porellaceae, branches are acroscopic and normally replace a ventral leaf lobe.

(countable) Something which has developed.

(real estate, countable) A project consisting of one or more commercial or residential buildings, real estate development.

(real estate, uncountable) The building of a real estate development.

(uncountable) The application of new ideas to practical problems (''cf. research).

(chess, uncountable) The active placement of the pieces, or the process of achieving it.

(music) The second section of a piece of music in sonata form.

Noun

(en noun)

An occurrence; something that happens.

* Macaulay

the events of his early years

An end result; an outcome (now chiefly in phrases).

*, II.3.3:

hard beginnings have many times prosperous events  […].

* 1707 , , by Eccles and Congrieve; scene 8

Of my ill boding Dream / Behold the dire Event .

* Young

dark doubts between the promise and event

In the event , he turned out to have what I needed anyway.

(physics) A point in spacetime having three spatial coordinates and one temporal coordinate.

(computing) A possible action that the user can perform that is monitored by an application or the operating system (event listener). When an event occurs an event handler is called which performs a specific task.

(probability theory) A set of some of the possible outcomes; a subset of the sample space.

If $X$ is a random variable representing the toss of a six-sided die, then its sample space could be denoted as {1,2,3,4,5,6}. Examples of events could be: $X\; =\; 1$, $X\; =\; 2$, $X\; \backslash ge\; 5,\; X\; \backslash not\; =\; 4,$ and $X\; \backslash isin\; \backslash \{1,3,5\backslash \}$.

(obsolete) An affair in hand; business; enterprise.

* Shakespeare

Leave we him to his events .

(lb) An episode of severe health conditions.