11-letter words containing a, p, o, r, i
- sapropelite — a foul-smelling mud
- saprophytic — any organism that lives on dead organic matter, as certain fungi and bacteria.
- sauropsidan — relating to the Sauropsida or animals belonging to the Sauriodea group in Huxley's classification
- scalpriform — chisel-shaped, as the incisors of certain rodents.
- scapigerous — having a scape or leafless stalk
- scholarship — learning; knowledge acquired by study; the academic attainments of a scholar.
- scorpaenoid — resembling or related to the family Scorpaenidae.
- scriptorial — of or relating to a scriptorium
- seismograph — any of various instruments for measuring and recording the vibrations of earthquakes.
- semipopular — relatively popular; quite popular
- senatorship — the office or position of a senator
- serial port — A serial port on a computer is a place where you can connect the computer to a device such as a modem or a mouse.
- ship of war — warship.
- sialography — radiography of salivary glands once they have been injected with a contrast medium
- sideropenia — a lack of iron in the body
- singaporean — an island on the Strait of Singapore, off the S tip of the Malay Peninsula.
- soap boiler — a manufacturer of soap
- sociography — the branch of sociology that uses statistical data to describe social phenomena.
- spermatoxic — (of a substance) toxic to spermatozoa.
- spermatoxin — a substance toxic to spermatozoa.
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spiraliform — having or resembling spiral lines
- 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.
- spirography — the study of breathing using a spirograph
- spiroplasma — any of numerous bacteria of the genus Spiroplasma that have no cell walls or flagella and are parasitic in plants and arthropods.
- sporadicity — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- sporulation — to produce spores.
- sporulative — involving or relating to sporulation
- springboard — a flexible board, projecting over water, from which divers leap or spring.
- stasimorphy — structural modification by arrested development
- subtropical — bordering on the tropics; nearly tropical.
- supernation — a large body of people, associated with a particular territory, that is sufficiently conscious of its unity to seek or to possess a government peculiarly its own: The president spoke to the nation about the new tax.
- suppuration — the process of suppurating.
- suspiration — a long, deep sigh.
- symposiarch — the president, director, or master of a symposium.
- taboparesis — the occurrence of two conditions (general paresis and tabes dorsalis) at the same time
- temporality — temporal character or nature; temporariness.
- temporalize — to make temporal in time; place in time.
- temporarily — lasting, existing, serving, or effective for a time only; not permanent: a temporary need; a temporary job.
- tetraploidy — having a chromosome number that is four times the basic or haploid number.
- tidal power — the use of the rise and fall of tides involving very large volumes of water at low heads to generate electric power
- tomographic — relating to tomography
- top-ranking — A top-ranking person is someone who has a very high rank or status in a particular organization or field of activity.
- topographic — the detailed mapping or charting of the features of a relatively small area, district, or locality.
- torsiograph — a graph indicating vibrating movements
- traffic cop — a police officer who directs the flow of traffic, usually at an intersection.
- traitorship — a person who betrays another, a cause, or any trust.
- transphobia — unreasoning hostility, aversion, etc., toward transgender people.
- transposing — the act of transposing
- trapeziform — formed like a trapezium.