19-letter words containing c, a, h, e, u
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- upset the applecart — a pushcart used by a vendor of apples.
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.
- von neumann machine — the stored-program computer developed by John von Neumann and his associates
- xt bus architecture — (hardware, architecture) (After the IBM PC XT) An eight-bit ISA bus architecture used by Intel 8086 and Intel 8088 systems in the IBM PC and IBM PC XT in the 1980s. It predates the 16-bit ISA architecture used on the Intel 80286 based machines. The XT bus has four DMA channels, of which three are brought out to the expansion slots. Of these three, two are normally allocated to machine functions: DMA channel Expansion Standard function 0 No {dynamic RAM} refresh 1 Yes add-on cards 2 Yes {floppy disk} controller 3 Yes {hard disc} controller (1997-09-15)
- zero-hours contract — an employment contract which does not oblige the employer to provide regular work for the employee, but requires the employee to be on call in the event that work becomes available