15-letter words containing l, a, c, r, e
- obstacle course — a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession.
- official strike — a collective stoppage of work by part or all of the workforce of an organization with the approval of the trade union concerned. The stoppage may be accompanied by the payment of strike pay by the trade union concerned
- olfactory nerve — either one of the first pair of cranial nerves, consisting of sensory fibers that conduct to the brain the impulses from the mucous membranes of the nose.
- oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
- omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- operating cycle — the period of time between starting a business and making a profit
- optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
- optical scanner — 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 storage — optical disk drive
- orchestrational — Of or pertaining to orchestration.
- organochlorines — Plural form of organochlorine.
- organomercurial — an organic compound containing mercury
- oriental carpet — Oriental rug.
- orthopaedically — in an orthopaedic manner
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-analytical — pertaining to or proceeding by analysis (opposed to synthetic).
- over-articulate — excessively articulate
- over-capitalise — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- over-compliance — the act of conforming, acquiescing, or yielding.
- over-cultivated — to prepare and work on (land) in order to raise crops; till.
- over-particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.
- overapplication — excessive application
- overcapitalized — Simple past tense and past participle of overcapitalize.
- overcapitalizes — Third-person singular simple present indicative form of overcapitalize.
- overcultivation — the act or art of cultivating.
- overhead locker — a locker situated above someone's seat for storing luggage, etc
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- oxytetracycline — a dull-yellow, crystalline antibiotic powder, C 2 2 H 2 4 N 2 O 9 , produced by Streptomyces rimosus, used chiefly in treating infections caused by streptococci, staphylococci, Gram-negative bacilli, rickettsiae, and certain protozoans and viruses.
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- palaeoanthropic — relating to palaeoanthropology
- palliative-care — medical care focused on improving the quality of life of patients with serious illnesses, as by treating symptoms and providing emotional support.
- paracel islands — a group of uninhabited islets and reefs in the N South China Sea, the subject of territorial claims by China and Vietnam
- paracetaldehyde — paraldehyde.
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
- parallel pascal — (language) A data-parallel language, similar to Actus and Glypnir.
- parasiticalness — the condition or characteristic of being parasitic
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- parhelic circle — a white, horizontal band passing through the sun, either incomplete or extending around the horizon, produced by the reflection of the sun's rays from the vertical faces of ice prisms in the atmosphere.
- part and parcel — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
- partial eclipse — astronomy
- participatively — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- pass-the-parcel — a children's game in which a parcel with lots of wrappings is passed round while music plays; each time the music stops the person holding the parcel takes a layer of wrapping off
- passifloraceous — of, relating to, or belonging to the Passifloraceae, a tropical and subtropical family of climbing plants including the passionflowers: the flowers have five petals and threadlike parts forming a dense mass (corona) around the central disc
- past participle — a participle with past, perfect, or passive meaning, as fallen, sung, defeated; perfect participle: used in English and other languages in forming the present perfect, pluperfect, and passive and as an adjective.
- pastel-coloured — pale-coloured; in a shade such as pink or pale blue
- pavel petrovich — Paul I (def 2).
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- pectoral muscle — muscle of the chest