16-letter words containing p, r, o, t, c, h
- schneider trophy — a trophy for air racing between seaplanes of any nation, first presented by Jacques Schneider (1879–1928) in 1913; won outright by Britain in 1931
- school inspector — an official whose job is to inspect schools and to report on their quality and conditions
- sharia-compliant — (of a product or service) produced or offered in accordance with the doctrines of the sharia
- showcase project — a project designed to attract attention and show off the abilities of the people involved in it
- spectrochemistry — the branch of chemistry that deals with the chemical analysis of substances by means of the spectra of light they absorb or emit.
- spectroheliogram — a photograph of the sun made with a spectroheliograph.
- stretch receptor — muscle spindle.
- subtropical high — one of several highs, as the Azores and Pacific highs, that prevail over the oceans at latitudes of about 30 degrees N and S. Also called subtropical anticyclone. Compare high (def 37).
- tephrochronology — a geochronologic technique based on the dating of layers of volcanic ash.
- the anthropocene — a proposed term for the present geological epoch (from the time of the Industrial Revolution onwards), during which humanity has begun to have a significant impact on the environment
- the first couple — the US president and their spouse
- the preconscious — preconscious mental activity
- thermoacidophile — any organism, especially a type of archaebacterium, that thrives in strongly acidic environments at high temperatures.
- thermoplasticity — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- thrombocytopenia — an abnormal decrease in the number of blood platelets.
- through-composed — having different music for each verse: a through-composed song. Compare strophic (def 2).
- to coin a phrase — You say 'to coin a phrase' to show that you realize you are making a pun or using a cliché.
- topsail schooner — a sailing vessel fore-and-aft rigged on all of two or more masts with square sails above the foresail, and often with a square sail before the foresail.
- trick photograph — a photograph that creates an illusion
- troop the colors — to parade the colors, or flag, before troops
- twofold purchase — a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium