21-letter words containing a, r, c, h, d
- silicon tetrachloride — a colorless, fuming liquid, SiCl 4 , used chiefly for making smoke screens and various derivatives of silicon.
- slatwall merchandiser — A slatwall merchandiser is a three-dimensional display unit with grooves cut into its surface into which metal hanging rails can be fixed at various heights.
- snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
- spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
- sunday school teacher — someone who teaches at a Sunday school
- synchrotron radiation — electromagnetic radiation emitted by charged particles as they pass through magnetic fields.
- the comrades marathon — an annual long-distance race run every year on the 16th of June from Durban to Pietermaritzburg, a distance of approximately 90 kilometres (56 miles)
- the fall of the cards — the chance distribution of cards in a given deal
- the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
- the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
- thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
- third party procedure — impleader.
- third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
- threshold wage policy — a policy whereby wages are increased in accordance with inflation
- to be hard luck on sb — to be unfortunate or unlucky for someone
- to play the race card — if someone plays the race card they bring up the issue of race in a discussion, perhaps for sympathy or to seek popularity by appealing to racist sentiment
- trichloroacetaldehyde — chloral (def 1).
- undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
- vertically challenged — short in stature.
- white-crowned sparrow — a North American sparrow, Zonotrichia leucophrys, having black and white stripes on the head.
- white-knuckle paddler — an inexpert and timid canoeist.
- wholesale price index — an indicator of price changes in the wholesale market