Noun

(uncountable) The practical aspects of a given art, occupation etc.; formal requirements.

* 1924 , HE Wortham, A Musical Odyssey , p. 97:

Brahms, after realizing that the technique of the piano was developing along mistaken lines, and his own danger of stereotyping his style, keeps away from it for most of his middle age [...].

* {{quote-magazine, year=2013, month=July-August, author= Catherine Clabby

, magazine=(American Scientist), title= Focus on Everything , passage=Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus. That’s because the lenses that are excellent at magnifying tiny subjects produce a narrow depth of field. A photo processing technique called focus stacking has changed that.}}

(uncountable) Practical ability in some given field or practice, often as opposed to creativity or imaginative skill.

* 2011 , "Bhimsen Joshi", The Economist , 3 Feb 2011:

Yet those who packed concert halls to listen to him sing, as Indians did for over six decades, rarely mentioned his technique .

(label) a method of achieving something or carrying something out, especially one requiring some skill or knowledge.

* 2011 , Paul Lewis & Matthew Taylor, The Guardian , 16 Mar 2011:

They said executives were warned about one technique nicknamed "carpet karaoke", which involved bending deportees over in aircraft seats to silence them.

Noun

(en noun)

A non-existent or empty value or set of values.

Zero]] quantity of [[expression, expressions; nothing.

(Francis Bacon)

Something that has no force or meaning.

(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.

(computing) the attribute of an entity that has no valid value.

Since no date of birth was entered for the patient, his age is null .

One of the beads in nulled work.

(statistics) null hypothesis