12-letter words containing u, r, s, o
- humourlessly — Alternative spelling of humorlessly.
- hydromedusae — Irregular plural form of hydromedusa.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrophilous — pollinated by the agency of water.
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulfide — a compound containing the univalent group –HS.
- hydrosulfite — hyposulfite (def 1).
- hygrophilous — a plant that thrives in wet or very moist ground.
- hyperarousal — A state of heightened psychological and physiological tension resulting in reduced pain tolerance, anxiety, excessive response to sensory stimulation, insomnia, and fatigue.
- hypochlorous — of or derived from hypochlorous acid.
- hypogastrium — the lower and median part of the abdomen.
- ichthyosaurs — Plural form of ichthyosaur.
- idiothermous — warm-blooded
- idolatrously — In an idolatrous manner.
- illuminators — Plural form of illuminator.
- illusoriness — causing illusion; deceptive; misleading.
- illustration — something that illustrates, as a picture in a book or magazine.
- illustrators — Plural form of illustrator.
- illustratory — Serving to illustrate.
- imperviously — In an impervious manner; impenetrably; impermeably.
- in course of — in the process of
- in our midst — among us
- inclusionary — (of zoning, housing programs, etc.) stipulating that a certain percentage of new housing will be priced within the reach of middle-income buyers or renters.
- inclusive or — the connective that gives the value true to a disjunction if either or both of the disjuncts are true
- incrustation — an incrusting or being incrusted.
- indecorously — not decorous; violating generally accepted standards of good taste or propriety; unseemly.
- ingloriously — In an inglorious manner.
- inharmonious — not harmonious; discordant; unmelodious.
- innutritious — (of food) lacking in nutrients; not nourishing.
- insalubrious — unfavorable to health; unwholesome.
- instauration — renewal; restoration; renovation; repair.
- instructions — the act or practice of instructing or teaching; education.
- insurrection — an act or instance of rising in revolt, rebellion, or resistance against civil authority or an established government.
- interacinous — situated between the acini of a gland or lung.
- interclusion — the act of intercluding
- interneurons — Plural form of interneuron.
- internuncios — Plural form of internuncio.
- interosseous — composed of, containing, or resembling bone; bony.
- interspinous — located between spines, esp between the vertebrae
- interspousal — Often, spousals. the ceremony of marriage; nuptials.
- intervillous — Between the villi.
- intraosseous — (medicine) within a bone.
- intraveneous — Misspelling of intravenous.
- intrusionist — a person who intrudes
- iracundulous — easily angered or irritable
- iron sulfate — ferrous sulfate.
- irresolutely — In an irresolute or wavering manner.
- irresolution — lack of resolution; lack of decision or purpose; vacillation.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- jaculiferous — having dartlike spines.