7-letter words containing si
- sievert — the standard unit in the International System of Units (SI) of dose equivalent having the same biological effect as one joule of x-rays per kilogram of recipient mass (or one gray): The average person receives about 2 to 3 one-thousandths of a sievert per year from naturally occurring radiation in the environment. Abbreviation: Sv.
- sieving — an instrument with a meshed or perforated bottom, used for separating coarse from fine parts of loose matter, for straining liquids, etc., especially one with a circular frame and fine meshes or perforations.
- sifting — to separate and retain the coarse parts of (flour, ashes, etc.) with a sieve.
- siganid — any fish of the family Siganidae, comprising the rabbitfishes.
- siggeir — the daughter of Volsung and mother, by her brother, Sigmund, of Sinfjotli, with whose help she kills her husband (Siggeir) to avenge his murder of Volsung.
- sighful — mournful; sorrowful: a sighful ballad.
- sighing — to let out one's breath audibly, as from sorrow, weariness, or relief.
- sighted — having functional vision; not blind.
- sighter — the power or faculty of seeing; perception of objects by use of the eyes; vision.
- sightly — pleasing to the sight; attractive; comely.
- sigill. — signet; seal
- sigmate — having the form of the Greek sigma or the letter S.
- sigmoid — shaped like the letter C.
- sigmund — (in the Volsunga Saga) the son of Volsung and Liod; the father, through his sister, Signy, of Sinfjotli; the husband first of Borghild, then of Hjordis; and the father of Sigurd.
- sign in — a token; indication.
- sign on — a token; indication.
- sign up — a token; indication.
- sign-in — an act, an instance, or a time of signing in.
- sign-on — Radio and Television. the opening salutation, station identification, etc., at the beginning of the broadcast day.
- sign-up — an act or instance of signing up.
- signage — graphic designs, as symbols, emblems, or words, used especially for identification or as a means of giving directions or warning.
- signary — a set of symbols, such as an alphabet
- signify — to make known by signs, speech, or action.
- signing — a token; indication.
- signior — signor.
- signoff — a token; indication.
- signora — a conventional Italian term of address or title of respect for a married woman, either used separately or prefixed to the name.
- signore — a conventional Italian title of respect for a man, usually used separately; signor.
- signori — a conventional Italian term of address or title of respect for a man, either used separately or prefixed to the name. Abbreviation: Sig., sig.
- signory — seigniory.
- signups — an act or instance of signing up.
- sigsbee — Charles Dwight, 1845–1923, U.S. naval officer: captain of the Maine in 1898.
- sikhara — a convexly tapering tower, capped by an amalaka.
- sikhism — the religion and practices of the Sikhs.
- silence — absence of any sound or noise; stillness.
- silenos — Silenus.
- silenus — a forest spirit, sometimes referred to as the oldest of the satyrs and the foster father, teacher, and companion of Dionysus: often represented as a bearded old man.
- silesia — a region in central Europe along both banks of the upper Oder River, mainly in SW Poland and the N Czech Republic: formerly divided between Germany (which had the largest portion), Poland, and Czechoslovakia; by provision of the Potsdam agreement 1945, the greater part of German Silesia came under Polish administration; rich deposits of coal, iron, and other minerals.
- silici- — indicating silica or silicon
- silicic — containing silicon.
- silicle — a short silique.
- silico- — silicon, silica
- silicon — a nonmetallic element, having amorphous and crystalline forms, occurring in a combined state in minerals and rocks and constituting more than one fourth of the earth's crust: used in steelmaking, alloys, etc. Symbol: Si; atomic weight: 28.086; atomic number: 14; specific gravity: 2.4 at 20°C.
- siliqua — a silver coin of the later Roman Empire, the 24th part of a solidus, first issued by Constantine.
- silique — the long two-valved seed vessel or pod of plants belonging to the mustard family.
- silking — the soft, lustrous fiber obtained as a filament from the cocoon of the silkworm.
- sillery — a city in S Quebec, in E Canada, near Quebec.
- sillier — weak-minded or lacking good sense; stupid or foolish: a silly writer.
- sillies — weak-minded or lacking good sense; stupid or foolish: a silly writer.
- sillily — weak-minded or lacking good sense; stupid or foolish: a silly writer.