19-letter words containing a, c, h, e, r
- typographical error — an error in printed or typewritten matter resulting from striking the improper key of a keyboard, from mechanical failure, or the like.
- 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.
- waste heat recovery — the use of heat that is produced in a thermodynamic cycle, as in a furnace, combustion engine, etc, in another process, such as heating feedwater or air
- watch night service — a service held on the night of December 24, or of December 31
- wearable technology — a small computer or advanced electronic device that is worn or carried on the body: the trendiest wearable technologies.
- whispering campaign — the organized spreading of insinuations or rumors to destroy the reputation of a person, organization, etc.
- white-collar worker — office employee, clerical worker
- within rocket range — able to be reached by rockets
- 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)
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)
- 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