(aviation, travel industry) A request for special treatment for a passenger such as a special diet or mobility assistance, sent from an agent to an airline, to which a reply will be returned.

Synonym of special service requirement

plural of spectacled bear

Pronunciation spelling of especially.

(retail) The sale of an item that is not stocked by ordering it from another company

(uncountable, sometimes hyphenated when used attributively) A kind of postal service in which, for an extra fee, letters and packages are delivered in a highly expedited manner by a special courier.

Synonym of specific epithet

(ecology) A species living outside its native distributional range which has arrived there by human activity, directly or indirectly, deliberately or accidentally.

plural of special drawing right

(physics) plural of absorption spectrum