Noun

(en noun)

Something added, especially to make up for a deficiency.

*{{quote-magazine, date=2013-03, author=David S. Senchina, volume=101, issue=2, page=134

, magazine= , title= Athletics and Herbal Supplements , passage=Athletes' use of herbal supplements has skyrocketed in the past two decades. At the top of the list of popular herbs are echinacea and ginseng, whereas garlic, St. John's wort, soybean, ephedra and others are also surging in popularity or have been historically prevalent.}}

An extension to a document or publication that adds information, corrects errors or brings up to date.

An additional section of a newspaper devoted to a specific subject.

*

*:"Mid-Lent, and the Enemy grins," remarked Selwyn as he started for church with Nina and the children. Austin, knee-deep in a dozen Sunday supplements , refused to stir; poor little Eileen was now convalescent from grippe, but still unsteady on her legs; her maid had taken the grippe, and now moaned all day: "Mon dieu! Mon dieu! Che fais mourir! "

(lb) An angle that, when added to a given angle, makes 180°; a supplementary angle.

A vitamin, herbal extract or chemical compound ingested to meet dietary deficiencies or enhance muscular development.

Noun

(en noun)

An alteration or change for the better; correction of a fault or of faults; reformation of life by quitting vices.

In public bodies; Any alteration made or proposed to be made in a bill or motion that adds, changes, substitutes, or omits.

* 2014 , Ian Black, " Courts kept busy as Jordan works to crush support for Isis", The Guardian , 27 November 2014:

Arrests and prosecutions intensified after Isis captured Mosul in June, but the groundwork had been laid by an earlier amendment to Jordan’s anti-terrorism law. It is estimated that 2,000 Jordanians have fought and 250 of them have died in Syria – making them the third largest Arab contingent in Isis after Saudi Arabians and Tunisians.

(legal) Correction of an error in a writ or process.

An addition to and/or alteration to the Constitution.

The First Amendment guarantees freedom of religion, speech, press, assembly, and petition.

The Thirteenth Amendment to the United States Constitution abolished slavery.

That which is added; that which is used to increase or supplement something.

a soil amendment