8-letter words containing a, c, i, s
- ice ages — (often initial capital letters) the glacial epoch, especially the Pleistocene Epoch.
- iceboats — Plural form of iceboat.
- icefalls — Plural form of icefall.
- icepacks — Plural form of icepack.
- icescape — a landscape covered with ice or with snow and ice: the limitless icescapes of Antarctica.
- icosagon — (mathematics) A polygon with twenty sides and twenty angles.
- idocrase — vesuvianite.
- inasmuch — To the extent that; insofar as.
- incisura — (anatomy) a notch or indent.
- increase — to make greater, as in number, size, strength, or quality; augment; add to: to increase taxes.
- infarcts — Plural form of infarct.
- infracts — Third-person singular simple present indicative form of infract.
- insectan — Of or relating to insects.
- instance — a case or occurrence of anything: fresh instances of oppression.
- instancy — quality of being instant; urgency; pressing nature.
- iotacism — the conversion of other vowel sounds, especially in Modern Greek, into (ē), the sound of iota.
- isagogic — introductory, especially to the interpretation of the Bible.
- iscariot — the surname of Judas, the betrayer of Jesus. Mark 3:19; 14:10, 11.
- ischemia — local deficiency of blood supply produced by vasoconstriction or local obstacles to the arterial flow.
- ischuria — Ischury.
- isobaric — Meteorology. having or showing equal barometric pressure.
- isochasm — a line on a map or chart connecting points where auroras are observed with equal frequency.
- isocracy — a government in which all individuals have equal political power.
- isocyano — containing an isocyano group.
- isogamic — isogamous
- isopachs — Plural form of isopach.
- isostacy — Geology. the equilibrium of the earth's crust, a condition in which the forces tending to elevate balance those tending to depress.
- isotachs — Plural form of isotach.
- issachar — a son of Jacob and Leah. Gen. 30:18.
- issuance — the act of issuing.
- jackfish — any of several pikes, especially the northern pike.
- jackshit — Alternative spelling of jack shit.
- jacobins — (in the French Revolution) a member of a radical society or club of revolutionaries that promoted the Reign of Terror and other extreme measures, active chiefly from 1789 to 1794: so called from the Dominican convent in Paris, where they originally met.
- jacuzzis — Plural form of jacuzzi.
- jurassic — noting or pertaining to a period of the Mesozoic Epoch, occurring from 190 to 140 million years ago and characterized by an abundance of dinosaurs and the advent of birds and mammals.
- justicia — any of numerous plants and shrubs of the genus Justicia, which includes the shrimp plant and water willow.
- kachinas — Plural form of kachina.
- keramics — ceramics.
- kick ass — strikingly or overwhelmingly tough, aggressive, powerful, or effective: He finally built himself a kick-ass computer.
- kick-ass — strikingly or overwhelmingly tough, aggressive, powerful, or effective: He finally built himself a kick-ass computer.
- kickshaw — a tidbit or delicacy, especially one served as an appetizer or hors d'oeuvre.
- knackish — cunning or artful
- lachaise — Gaston [gas-tuh n;; French ga-stawn] /ˈgæs tən;; French gaˈstɔ̃/ (Show IPA), 1882–1935, U.S. sculptor, born in France.
- lachesis — the Fate who determines the length of the thread of life.
- laciness — a lacy quality or state
- lacinias — Botany. a jagged or irregular part of a leaf or petal.
- laconism — laconic brevity.
- lanciers — Plural form of lancier.
- lancings — Plural form of lancing.
- lattices — Plural form of lattice.