Noun

(prophylaxes)

(medicine) Prevention of, or protective treatment for disease.

(chess) A move or strategy that frustrates an opponent's plan or tactic.

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.