| DIPHOSGENES | • DIPHOSGENE n. a liquid compound used as a poisonous gas. |
| HOPSACKINGS | • hopsackings n. Plural of hopsacking. • HOPSACKING n. a rough-surfaced loose fabric, also HOPSACK. |
| HOTPRESSING | • hotpressing v. Present participle of hotpress. • HOTPRESS v. to subject to heat and pressure, e.g. for the purpose of giving a smooth and glossy surface. |
| NIGHTSCOPES | • nightscopes n. Plural of nightscope. • NIGHTSCOPE n. a device fitted to a rifle to gather light at night. |
| PHLOGISTONS | • phlogistons n. Plural of phlogiston. • PHLOGISTON n. (Greek) the hypothetical principle of fire regarded formerly as a material substance. |
| PHOSGENITES | • PHOSGENITE n. a rare fluorescent secondary mineral consisting of lead chlorine carbonate in the form of greyish tetragonal crystals. |
| SIPHONOGAMS | • SIPHONOGAM n. a plant reproducing by seed. |
| SNOWPLOUGHS | • snowploughs n. Plural of snowplough. • snow␣ploughs n. Plural of snow plough. • SNOWPLOUGH n. an implement operating like a plow, but on a larger scale, for clearing away the snow from roads, railways, etc. |
| SPHENOGRAMS | • sphenograms n. Plural of sphenogram. • SPHENOGRAM n. a cuneiform character. |
| SPHINGOSINE | • sphingosine n. (Biochemistry) An unsaturated aliphatic amino alcohol associated with the lipids of brain tissue. • SPHINGOSINE n. an unsaturated amino alcohol found esp. in nervous tissue and cell membranes. |
| SPRINGHOUSE | • springhouse n. A small building constructed over a spring, formerly used for refrigeration (and thus sometimes also… • spring␣house n. Alternative form of springhouse. • SPRINGHOUSE n. a storehouse built over a spring for keeping dairy products and meat cool and fresh. |
| STENOGRAPHS | • stenographs v. Third-person singular simple present indicative form of stenograph. • STENOGRAPH v. to write or report in stenographic characters. |
| SURGEONSHIP | • surgeonship n. Synonym of surgeoncy. • SURGEONSHIP n. the office of surgeon. |
| ZYGOSPHENES | • zygosphenes n. Plural of zygosphene. • ZYGOSPHENE n. a median process on the front part of the neural arch of the vertebrae of most snakes and some lizards, which fits into a fossa, called the zygantrum, on the back part of the arch in front. |