…choose someone or something from a group for special treatment…
…a chemical bond in which one pair of electrons is shared between two atoms…
…(of a gene or genetic sequence) present in a genome in only one copy…
…(of a file) having grooves cut in one direction only, not crossing each other…
…(of a horse) walk by moving both legs on each side in alternation, each foot falling separately…
…whisky unblended with any other malt…
…used to emphasize that every member of a group is included…
…(of an engine) having pressure applied only to one side of the piston…
…(of a gun) needing to be cocked by hand before it can be fired…
…denoting a test or experiment in which information that may bias the results is concealed from either tester or subject…
…(of an electronic device) designed for use with unbalanced signals and therefore having one input and one output terminal connected to earth…
…denoting a system of bookkeeping in which each transaction is entered in one account only…
…an association of countries trading with each other without restrictions or tariffs. The European single market came into effect on 1 January 1993…
…relating to or denoting a system of government where only one political party is permitted…
…give a franchise to a single supplier for (a particular product)…
…denoting glasses of which each lens is a single optical element; not bifocal…
…(of a jacket or coat) showing only one row of buttons at the front when fastened…
…a currency used by all the members of an economic federation…
…(in gardening) digging in which only the topsoil is turned over, to the depth of one spit…
…protein derived from a culture of single-celled organisms, used especially as a food supplement…
…denoting a reflex camera in which the lens that forms the image on the film also provides the image in the viewfinder…
…a record 12 inches in diameter, played at 45 rpm and typically featuring an extended or alternative version of a particular track…
…a treaty providing for the establishment of a single European market from 1 January 1993, and giving greater powers to the European Parliament. It came into force on 1 July 1987…
…an electoral system of proportional representation in which a person’s vote can be transferred to a second or further competing candidate (according to the voter’s stated order of preference) if the candidate of first choice is eliminated during a succession of counts or has more votes than are needed for election…
…a variation in a single base pair in a DNA sequence…
…lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid. Inflammation may affect both lungs (double pneumonia) or only one (single pneumonia)…
…the currency (the euro) which replaced the national currencies of twelve member states of the European Union in 2002…
…whisky unblended with any other malt…
…lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid. Inflammation may affect both lungs (double pneumonia) or only one (single pneumonia)…
