12-letter words containing s, i, r, o
- investigator — to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
- invigilators — Plural form of invigilator.
- invigorators — Plural form of invigorator.
- ionophoresis — electrophoresis, esp of small ions
- ionospherist — Someone who studies the ionosphere.
- iracundulous — easily angered or irritable
- iridectomies — Plural form of iridectomy.
- irish coffee — a mixture of hot coffee and Irish whiskey, sweetened and topped with whipped cream.
- irish potato — potato (def 1).
- iron pyrites — pyrite; fool's gold.
- iron rations — WW1
- iron sulfate — ferrous sulfate.
- ironicalness — The quality of being ironical.
- ironmonger's — a shop where articles for the house and garden such as tools, nails, and pans are sold
- irresolutely — In an irresolute or wavering manner.
- irresolution — lack of resolution; lack of decision or purpose; vacillation.
- irresolvable — not resolvable; incapable of being resolved, analyzable, or solvable.
- irresolvably — In an irresolvable manner.
- irresponsive — not responsive; not responding, or not responding readily, as in speech, action, or feeling.
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.
- isobilateral — (esp of a leaf) capable of being divided into symmetrical halves along two different planes
- isochromatic — Optics. having the same color or tint.
- isodiametric — having equal diameters or axes.
- isoperimeter — a figure whose perimeter is equal to that of another.
- isoperimetry — the study of isoperimeters.
- isoprenaline — a compound that is a derivative of adrenaline and that is used to treat asthma and bronchial conditions. Formula: C11H17NO3
- isopropoxide — (chemistry) The univalent anion derived from isopropanol by removal of the hydroxy hydrogen atom; and salt containing this anion.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- isothermally — occurring at constant temperature.
- isotretinoin — a yellowish-orange to orange crystalline powder, C 20 H 28 O 2 , used in the treatment of cystic acne.
- jaculiferous — having dartlike spines.
- jameson raid — an expedition into the Transvaal in 1895 led by Sir Leander Starr Jameson (1853–1917) in an unsuccessful attempt to topple its Boer regime
- japonaiserie — stylistic characteristics, as in art, decor, or film, influenced by or reflective of Japanese culture and tradition.
- jeffersonian — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.
- jeffersonite — (mineralogy) A variety of pyroxene of olive-green color passing into brown. It contains zinc.
- jeopardising — Present participle of jeopardise.
- job security — chances of staying in employment
- jocularities — the state or quality of being jocular.
- journalistic — of, relating to, or characteristic of journalists or journalism.
- judicatories — Plural form of judicatory.
- junior class — the penultimate class in high school or college
- juris doctor — lawyer's degree
- jurisconsult — Roman and Civil Law. a person authorized to give legal advice.
- jurisdiction — the right, power, or authority to administer justice by hearing and determining controversies.
- kakistocracy — government by the worst persons; a form of government in which the worst persons are in power.
- karyokinesis — mitosis.
- kashmir goat — one of a long-haired breed of goat raised in Tibet and the higher elevations of China, the Indian subcontinent, Afghanistan, and Turkey for its meat, milk, and cashmere wool.
- katamorphism — metamorphism at or near the earth's surface: breaks down complex minerals into simpler ones.
- keratotomies — Plural form of keratotomy.
- keyboardists — Plural form of keyboardist.