9-letter words containing t, r, o, s, i
- serotonin — a neurotransmitter, derived from tryptophan, that is involved in sleep, depression, memory, and other neurological processes.
- serotypic — of or relating to a serotype
- serration — serrated condition or form.
- sertorius — Quintus [kwin-tuh s] /ˈkwɪn təs/ (Show IPA), died 72 b.c, Roman general and statesman.
- sex ratio — the proportional distribution of the sexes in a population aggregate, expressed as the number of males per 100 females.
- sgraffito — a technique of ornamentation in which a surface layer of paint, plaster, slip, etc., is incised to reveal a ground of contrasting color.
- shiftwork — a system of employment where an individual's normal hours of work are, in part, outside the period of normal day working and may follow a different pattern in consecutive periods of weeks
- shorthair — a domestic cat with a coat of short, thick hair; a cat of a shorthaired breed.
- shortlist — a list of those people or items preferred or most likely to be chosen, as winnowed from a longer list of possibilities.
- shotfirer — a person employed to detonate an explosive
- sibilator — someone who whistles
- siderotic — a disease of the lungs caused by inhaling iron or other metallic particles.
- sigmatron — a machine for generating X-rays
- signatory — having signed, or joined in signing, a document: the signatory powers to a treaty.
- simulator — a person or thing that simulates.
- sinistro- — of, at, or toward the left
- snow tire — an automobile tire with a deep tread or protruding studs to give increased traction on snow or ice.
- snow-tire — an automobile tire with a deep tread or protruding studs to give increased traction on snow or ice.
- snowdrift — a mound or bank of snow driven together by the wind.
- sobriquet — a nickname.
- soffritto — Also called battuto. Italian Cookery. a base for stews and soups, consisting of hot oil, butter, or fat in which a chopped onion or crushed garlic clove has been browned, often with the addition of chopped parsley, celery, and carrot.
- soft iron — iron that has a low carbon content and is easily magnetized and demagnetized with a small hysteresis loss
- soleprint — a print of the sole of a foot: often used in hospitals for identifying infants.
- solicitor — a person who solicits.
- solitaire — Also called patience. any of various games played by one person with one or more regular 52-card packs, part or all of which are usually dealt out according to a given pattern, the object being to arrange the cards in a predetermined manner.
- solutizer — any admixture to a substance for promoting or increasing its solubility or that of one or more of its components.
- sonicator — a device for treatment with ultrasound
- sooterkin — the mythical black afterbirth of Dutch women that was believed to result from their warming themselves on stoves
- sophister — a specious, unsound, or fallacious reasoner.
- sophistry — a subtle, tricky, superficially plausible, but generally fallacious method of reasoning.
- sorbitize — to turn metal into a form containing sorbite
- sorbonist — a student or graduate of the Sorbonne.
- sorediate — having soredia
- sortation — the process or result of sorting things, especially computationally or mechanically.
- sortilege — the drawing of lots for divination; divination by lot.
- sortition — the casting or drawing of lots.
- sottisier — a collection of jokes
- spiration — the act of breathing
- spiritoso — spirited; lively (used as a musical direction).
- spiritous — of the nature of spirit; immaterial, ethereal, or refined.
- spoliator — a plunderer
- st. croix — Also called Santa Cruz. a U.S. island in the N Lesser Antilles: the largest of the Virgin Islands. 82 sq. mi. (212 sq. km).
- stair rod — a rod for holding a stair carpet in place against the bottom of a riser.
- stairfoot — the area at the foot of a flight of stairs
- stairwork — unseen plotting
- stationer — a person who sells the materials used in writing, as paper, pens, pencils, and ink.
- steroidal — any of a large group of fat-soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action.
- sticheron — a liturgical hymn sung in the Orthodox Church
- stickwork — a player's degree of competence or proficiency as a baseball batter, hockey or lacrosse player, etc.: Frequent practice improved his stickwork.
- stillborn — dead when born.