Retract

Refers to moving leaves away from beam center line. Opposite of extend. (MLC) Also applicable for removing the source back into the container in brachytherapy.

retraction

Medical devices; Radiology equipment

The degree to which a needle is pulled back from its fully inserted position.

retract

Archaeology; Human evolution

Pull backwards.

retract

Literature; Novels

to withdraw a statement or opinion as inaccurate or unjustified; to take back or revoke

Jane Eyre

Literature; Novels

Jane Eyre is the story of a small, plain-faced, intelligent, and passionate English orphan. Jane is abused by her aunt and cousin and then attends a harsh charity school. Through ...

Wuthering Heights

Literature; Novels

Wuthering Heights is the only published novel by Emily Brontë, written between October 1845 and June 1846 and published in July of the following year. It was not printed until ...

Lolita

Literature; Novels

Lolita is a novel by Vladimir Nabokov, written in English and published in 1955 in Paris and 1958 in New York. It was later translated by its Russian-native author into Russian. ...

Madame Bovary

Literature; Novels

Madame Bovary is a novel written by Gustave Flaubert in 1856 and is considered by many critics to be a masterpiece.he story focuses on a doctor's wife, Emma Bovary, who has ...

The Stranger

Literature; Novels

The Stranger or The Outsider (L’Étranger) is a novel by Albert Camus published in 1942. Its theme and outlook are often cited as exemplars of existentialism.It explores various ...

Artemis Fowl

Literature; Novels

Artemis Fowl is a series of eight science fantasy novels written by the Irish author Eoin Colfer, starring teenage criminal mastermind Artemis Fowl II. There are seven novels in ...