12-letter words containing s, a, c, r, i, u
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- oncornavirus — any of various RNA viruses that cause tumors in humans and other animals.
- orchidaceous — belonging to the plant family Orchidaceae.
- orichalceous — relating to or resembling orichalc
- osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.
- overcautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- overissuance — the act of issuing in excessive amounts
- particulates — very small particles of a substance, esp those that are produced when fuel is burned
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- percussional — of or relating to percussion
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- pervicacious — extremely willful; obstinate; stubborn.
- picornavirus — any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
- picture sash — a large window sash, as for a picture window.
- porcelainous — made of or resembling porcelain
- postsurgical — pertaining to or involving surgery or surgeons.
- pratincolous — living in a meadow.
- pre-issuance — the act of issuing.
- precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- presbyacusis — an age-related, progressive loss of hearing in both ears
- primulaceous — belonging to the plant family Primulaceae.
- promuscidate — shaped like a proboscis
- prussic acid — weakly acidic extremely poisonous aqueous solution of hydrogen cyanide
- quadrisected — Simple past tense and past participle of quadrisect.
- quadrisonics — quadraphony.
- quasicrystal — a form of solid matter whose atoms are arranged like those of a crystal but assume patterns that do not exactly repeat themselves.
- quinceaneras — Plural form of quinceanera.
- quitch grass — any of various grasses, especially Agropyron repens, known chiefly as troublesome weeds and characterized by creeping rootstocks that spread rapidly.
- race suicide — the extinction of a racial or ethnic population that tends to result when, through the unwillingness or forbearance of its members to have children, the birthrate falls below the death rate.
- radicicolous — living on the roots of plants
- radicivorous — feeding on the roots of plants
- radio source — a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rambus, inc. — (company) The company which designed Rambus DRAM. Address: Mountain View, CA., USA.
- res judicata — a thing adjudicated; a case that has been decided.
- resuscitator — a person or thing that resuscitates.
- rhizocarpous — having the root perennial but the stem annual, as perennial herbs.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- saint-brieuc — a department in NW France. 2787 sq. mi. (7220 sq. km). Capital: Saint-Brieuc.
- saronic gulf — an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.
- scouring pad — a small pad, as of steel wool or plastic mesh, used for scouring pots, pans, etc.
- scratchbuild — to build a scale model of something from scratch, that is, from raw materials like wood, clay or paper
- scratchbuilt — describing something which has been constructed by scratchbuilding
- scripturally — (sometimes initial capital letter) of, relating to, or in accordance with sacred writings, especially the Scriptures.
- scrobiculate — furrowed or pitted.