Noun

The act of excluding or shutting out; removal from consideration or taking part.

* {{quote-news

, year=2011 , date=September 2 , author=Phil McNulty , title=Bulgaria 0-3 England , work=BBC citation , page= , passage=It was also a satisfying night for England coach Capello. Not only did he have a vital victory to celebrate, but his team selection was fully justified as Cahill gave an almost flawless performance in defence and Scott Parker's display made light of the surprising exclusion of Frank Lampard.}}

(obsolete) The act of pushing or forcing something out.

* 1646 , Sir Thomas Browne, Pseudodoxia Epidemica , III.6:

For the exclusion of animals is not merely passive like that of eggs, nor the total action of delivery to be imputed unto the mother, but the first attempt beginneth from the infant [...].

An item not covered by an insurance policy.

Noun

(chiefly, uncountable) The state of being isolated, detached, or separated.

The act of isolating.

(diplomacy, of a country) The state of not having diplomatic relations with other countries (either with most or all other countries, or with specified other countries).

* 1975 , W. Raymond Duncan, “Problems of Cuban Foreign Policy”, chapter 20 of (editor), Cuban Communism , Fifth Edition, Transaction (publisher, 1985), page 486:

As of 1975, diplomatic ostracism is still imposed by the Organization of American States (OAS). The inter-American community also exercises a trade embargo against Cuba. But even within this context of hemispheric isolation , Havana’s diplomacy is strikingly contradictory.

* 1993 September, Jon Brook Wolfsthal, “The Israeli initiative”, in , Volume 49, Number 7, page 8:

Israel could offer to ease North Korea’s isolation' with diplomatic recognition,

* 2009 , Dore Gold, The Rise of Nuclear Iran: How Tehran Defies the West , Regnery Publishing, ISBN 9781596985711, page 49:

It [Europe] now pressed Washington to begin direct talks with Tehran, but Undersecretary of State Nicholas Burns, Rice’s point man on Iran, still stressed that diplomatic isolation of Iran—and not diplomatic engagement—was the only acceptable approach for dealing with the Iranian nuclear challenge.

(chemistry) The obtaining of an element from one of its compounds, or of a compound from a mixture

(medicine) The separation of a patient, suffering from a contagious disease, from contact with others

(computing) a database property that determines when and how changes made in one transaction are visible to other concurrent transactions