19-letter words containing h, p, m
- sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
- sodium thiosulphate — a white soluble substance used, in the pentahydrate form, in photography as a fixer to dissolve unchanged silver halides and also to remove excess chlorine from chlorinated water. Formula: Na2S2O3
- southern hemisphere — the half of the earth between the South Pole and the equator.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- squamous epithelium — epithelium consisting of one or more layers of scalelike cells.
- standard atmosphere — an arbitrarily determined vertical distribution of atmospheric pressure, temperature, and density, assumed to have physical constants and conforming to parametric equations, used for calculations in ballistics, the design of pressure altimeters, etc.
- sulphonium compound — any one of a class of salts derived by the addition of a proton to the sulphur atom of a thiol or thio-ether thus producing a positive ion (sulphonium ion)
- sympathetic contact — behavior toward an individual based on the individual's personal makeup rather than on his or her group membership.
- symptomatic anthrax — blackleg.
- tehachapi mountains — a transverse (E–W) mountain range in S central California. Highest peak, Double Mountain, 7982 feet (2433 meters).
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- the eroica symphony — Symphony No. 3 in E flat major by Ludwig van Beethoven
- the hampshire downs — a range of low chalk hills that crosses Hampshire in S England
- the pilgrim fathers — the English Puritans who sailed on the Mayflower to New England, where they founded Plymouth Colony in SE Massachusetts (1620)
- tie-clip microphone — a small microphone that is clipped to a person's tie
- time sharing option — (operating system) (TSO) System software from IBM that provides time-sharing on an IBM mainframe running in an MVS environment.
- to plumb new depths — If you say that something plumbs new depths, you mean that it is worse than all the things of its kind that have existed before, even though some of them have been very bad.
- to plumb the depths — If someone plumbs the depths of an unpleasant emotion or quality, they experience it or show it to an extreme degree.
- trisodium phosphate — sodium phosphate (def 3).
- trumpet honeysuckle — an American honeysuckle, Lonicera sempervirens, having spikes of large, tubular flowers, deep-red outside and yellow within.
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- velocity microphone — a microphone in which the output varies according to the instantaneous velocity of the air molecules in the incident sound waves.
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- whispering campaign — the organized spreading of insinuations or rumors to destroy the reputation of a person, organization, etc.
- william shakespeare — William ("the Bard"; "the Bard of Avon") 1564–1616, English poet and dramatist.
- withdrawal symptoms — When someone has withdrawal symptoms, they feel ill after they have stopped taking a drug which they were addicted to.