15-letter words containing l, e, a, s
- nuisance caller — someone who makes an unsolicited telephone call such as a prank call or a call for telemarketing purposes
- oblique sailing — the navigation of a vessel on a point of the compass other than one of the cardinal points.
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obstacle course — a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession.
- obtuse triangle — a triangle with one obtuse angle.
- 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
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- olbers' paradox — the paradox that if the universe consisted of an infinite number of stars equally distributed through space, then every line of sight would come from a star and the night sky would glow uniformly, which is observationally not true.
- old age pension — An old age pension is a regular amount of money that people receive from the government when they have retired from work.
- old clothes man — a person who deals in second-hand clothes
- old man's beard — fringe tree.
- old wives' tale — a traditional belief, story, or idea that is often of a superstitious nature.
- old-established — established for a long time
- old-man's-beard — fringe tree.
- old-man-the-sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- oligomerisation — Alternative spelling of oligomerization.
- oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
- one's last hour — the time of one's death
- one-dimensional — having one dimension only.
- operationalised — Simple past tense and past participle of operationalise.
- ophthalmoscopes — Plural form of ophthalmoscope.
- 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.
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- organochlorines — Plural form of organochlorine.
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- 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.
- overcapitalizes — Third-person singular simple present indicative form of overcapitalize.
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- overzealousness — too zealous: overzealous for reform.
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- palais de danse — a dance hall
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- panhandle state — West Virginia (used as a nickname).
- paracel islands — a group of uninhabited islets and reefs in the N South China Sea, the subject of territorial claims by China and Vietnam
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.
- paradise valley — a town in SW Arizona.
- 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
- partial eclipse — astronomy
- 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
- passport holder — a person who has a passport
- 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