12-letter words containing r, c, o, l
- olfactronics — the measurement and analysis of smells through instruments
- oligarchical — of, relating to, or having the form of an oligarchy.
- oligophrenic — less than normal mental development.
- oligotrophic — (of a lake) characterized by a low accumulation of dissolved nutrient salts, supporting but a sparse growth of algae and other organisms, and having a high oxygen content owing to the low organic content.
- olive branch — a branch of the olive tree as an emblem of peace.
- on principle — an accepted or professed rule of action or conduct: a person of good moral principles.
- open cluster — a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies.
- operatically — of or relating to opera: operatic music.
- optical grep — vgrep
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- oracle bones — animal bones used for divination
- oracularness — the state of being oracular
- oral society — a society that has not developed literacy
- oratorically — of, relating to, or characteristic of an orator or oratory: His oratorical prowess has led to political success.
- orbicularity — The quality of being orbicular.
- orchestrally — In an orchestral manner.
- organoleptic — perceived by a sense organ.
- orichalceous — relating to or resembling orichalc
- orographical — relating to the study of mountains
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthosilicic — (chemistry) Of, relating to or derived from orthosilicic acid.
- oscillograms — Plural form of oscillogram.
- oscillograph — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- oscillometer — an instrument for measuring oscillations, especially those of the arterial pulse.
- oscillometry — an instrument for measuring oscillations, especially those of the arterial pulse.
- otosclerosis — formation of new bone about the stapes or cochlea, resulting in hearing loss.
- oven cleaner — a liquid, often foam in an aerosol container, designed to clean ovens
- over-complex — composed of many interconnected parts; compound; composite: a complex highway system.
- overbalanced — Simple past tense and past participle of overbalance.
- overbalances — Third-person singular simple present indicative form of overbalance.
- overclassify — to classify to excess
- overclocking — Computers. to modify (a hardware component, as a processor, graphics card, or memory) so as to increase the speed of that component beyond the specifications of the manufacturer: You can overclock your video card to improve its performance.
- overclouding — Present participle of overcloud.
- overcoloured — excessively coloured
- overcritical — excessively critical; hypercritical.
- overdelicate — extremely or excessively delicate: an overdelicate digestive system.
- overexplicit — excessively explicit
- overinclined — extremely or excessively inclined (to)
- overreliance — confident or trustful dependence.
- ovolactarian — lacto-ovo-vegetarian.
- owl's clover — any of several western American plants belonging to the genus Orthocarpus, of the figwort family, having dense spikes of flowers in a variety of colors with conspicuous bracts.
- owl's-clover — any of a genus (Orthocarpus) of plants of the figwort family of W North and South America; esp., a California species (O. purpurascens) with red or purple upper leaves
- pack rolling — the hot rolling of metal sheets in two or more thicknesses to produce composite sheets.
- pain control — methods for the relief and management of pain
- palo cortado — a rich, dry sherry
- pancake roll — A pancake roll is an item of Chinese food consisting of a small roll of thin crisp pastry filled with vegetables and sometimes meat.
- panel doctor — a doctor within a given area available for consultation by patients insured under the National Health Insurance Scheme
- papier colle — collage.
- paralation c — Paralation embedded in C. Under development.