16-letter words containing c, l, a, t
- ophthalmological — Pertaining to ophthalmology.
- optical activity — the ability of a substance to rotate the plane of polarization of plane-polarized light.
- optical computer — an experimental computer that uses photons rather than electrical impulses to process data a thousand times faster than with conventional integrated circuits.
- optical illusion — something that deceives by producing a false or misleading impression of reality.
- optical rotation — the angle at which the plane of polarized light is rotated when passed through an optically active substance.
- optical scanning — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical tweezers — a laser device used to study, manipulate, or trap a microscopic object, as a microorganism or cell, with nanometer precision.
- orbital velocity — the minimum velocity at which a body must move to maintain a given orbit.
- organoleptically — In an organoleptic manner.
- ornithologically — In terms of ornithology.
- orthographically — In an orthographical manner; using proper spelling, capitalization and grammar.
- osculating plane — the plane containing the circle of curvature of a point on a given curve.
- osteoarchaeology — the branch of archaeology that deals with the study of bones found at archaeological sites
- over-application — the act of putting to a special use or purpose: the application of common sense to a problem.
- over-cultivation — the act or art of cultivating.
- over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- overaccumulation — Accumulation of too much.
- overcapitalizing — Present participle of overcapitalize.
- overcomplicating — Present participle of overcomplicate.
- overdramatically — In an overdramatic manner.
- overexcitability — to excite too much.
- oxaloacetic acid — a crystalline organic acid, C 4 H 4 O 5 , that is an important intermediate in the Krebs cycle, where it is formed by the oxidation of malic acid and is acetylated to form citric acid: also a product of transamination reactions of aspartic acid.
- oxycalcium light — calcium light.
- palaeolithic man — any of various primitive types of man, such as Neanderthal man and Java man, who lived in the Palaeolithic
- paleoclimatology — the branch of paleogeography dealing with the study of paleoclimates.
- palmitoleic acid — a colorless, unsaturated fatty acid, C 1 6 H 3 0 O 2 , occurring in oils and fats of plants and animals.
- palmtop computer — a computer that has a small screen and compressed keyboard and is small enough to be held in the hand, often used as a personal organizer
- paradigmatically — of or relating to a paradigm.
- paratuberculosis — Johne's disease.
- parochialization — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- partial fraction — one of the fractions into which a given fraction can be resolved, the sum of such simpler fractions being equal to the given fraction: Partial fractions of 5/(x2−x) are 5/(x−1) and −5/x.
- partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
- particle physics — the branch of physics that deals with the properties and behavior of elementary particles.
- pascal's theorem — the theorem that the lines joining adjacent vertices of a hexagon intersect the same straight line if alternate vertices lie on two intersecting straight lines.
- passport control — identity check at airport, etc.
- pathetic fallacy — the endowment of nature, inanimate objects, etc., with human traits and feelings, as in the smiling skies; the angry sea.
- pectoralis major — the larger of the two large chest muscles that assist in movements of the shoulder and upper arm
- pectoralis minor — the smaller of the two large chest muscles that assist in movements of the shoulder and upper arm
- pentatonic scale — a scale having five tones to an octave, as one having intervals that correspond to the five black keys of a piano octave.
- people's charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
- perchloromethane — carbon tetrachloride.
- perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
- permaculturalist — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- perpendicularity — vertical; straight up and down; upright.
- personal effects — belongings
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- peter pan collar — a close-fitting flat or rolled collar with rounded ends that meet in front of a high, round neckline.
- phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- philanthropistic — a person who practices philanthropy.
- photocoagulation — a surgical technique using an intense beam of light from a laser or a xenon-arc bulb to seal blood vessels or coagulate tissue, used primarily in ophthalmology to repair detached retinas or to treat certain kinds of retinopathy.