11-letter words containing p, r, o, c, a, s
- spectrogram — a representation or photograph of a spectrum.
- speculatory — a place suitable for observation
- spermatoxic — (of a substance) toxic to spermatozoa.
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spirochaete — any of various spiral-shaped motile bacteria of the family Spirochaetaceae, certain species, as Treponema, Leptospira, and Borrelia, being pathogenic to humans and other animals, and other species being free-living, saprophytic, or parasitic.
- sporadicity — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- stauroscope — an optical instrument for studying the crystal structure of minerals under polarized light
- subtropical — bordering on the tropics; nearly tropical.
- superoctave — an organ stop two octaves above the standard pitch
- support act — a band or entertainer not topping the bill
- supracostal — above the rib
- symposiarch — the president, director, or master of a symposium.
- triceratops — any of various dinosaurs of the genus Triceratops, of the late Cretaceous Period, having a bony crest on the neck, a long horn over each eye, and a shorter horn on the nose.
- uranoscopid — any fish of the family Uranoscopidae, comprising the stargazers.
- zincographs — Plural form of zincograph.