18-letter words containing a, c, e, s, i, o
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit
- warehouse capacity — the amount of storage space in a warehouse
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- wheelchair housing — housing designed or adapted for a chairbound person
- writ of assistance — a writ issued by a superior colonial court authorizing officers of the British crown to summon aid and enter and search any premises.
- young conservative — a member of the youth section of the United Kingdom Conservative Party