18-letter words containing e, p, l, u

real-time computer — a computer that can process data or information almost immediately
red cluster pepper — a tropical, woody plant, Capsicum annuum fasciculatum, having erect, very pungent, red fruit in small clusters.
red-spotted purple — any color having components of both red and blue, such as lavender, especially one deep in tone.
regular expression — 1. (text, operating system) (regexp, RE) One of the wild card patterns used by Perl and other languages, following Unix utilities such as grep, sed, and awk and editors such as vi and Emacs. Regular expressions use conventions similar to but more elaborate than those described under glob. A regular expression is a sequence of characters with the following meanings (in Perl, other flavours vary): An ordinary character (not one of the special characters discussed below) matches that character. A backslash (\) followed by any special character matches the special character itself. The special characters are: "." matches any character except newline; "RE*" (where RE is any regular expression and the "*" is called the "Kleene star") matches zero or more occurrences of RE. If there is any choice, the longest leftmost matching string is chosen. "^" at the beginning of an RE matches the start of a line and "$" at the end of an RE matches the end of a line. (RE) matches whatever RE matches and \N, where N is a digit, matches whatever was matched by the RE between the Nth "(" and its corresponding ")" earlier in the same RE. Many flavours use $RE$ instead of just (RE). The concatenation of REs is a RE that matches the concatenation of the strings matched by each RE. RE1 | RE2 matches whatever RE1 or RE2 matches. \< matches the beginning of a word and \> matches the end of a word. Many flavours use "\b" instead as the special character for "word boundary". RE{M} matches M occurences of RE. RE{M,} matches M or more occurences of RE. RE{M,N} matches between M and N occurences. Other flavours use RE\{M\} etc. Perl provides several "quote-like" operators for writing REs, including the common // form and less common ??. A comprehensive survey of regexp flavours is found in Friedl 1997 (see below). 2. Any description of a pattern composed from combinations of symbols and the three operators: Concatenation - pattern A concatenated with B matches a match for A followed by a match for B. Or - pattern A-or-B matches either a match for A or a match for B. Closure - zero or more matches for a pattern. The earliest form of regular expressions (and the term itself) were invented by mathematician Stephen Cole Kleene in the mid-1950s, as a notation to easily manipulate "regular sets", formal descriptions of the behaviour of finite state machines, in regular algebra.
repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
sampling equipment — Sampling equipment is equipment which is used to remove small amounts of something for analysis and monitoring.
sampling frequency — sample rate
scripting language — a language that is used to write scripts, or executable sections of code that automate tasks.
sea-level pressure — the atmospheric pressure, at any elevation, reduced by formula to a value approximating the pressure at sea level.
self-preoccupation — the state of being preoccupied.
sell someone a pup — to swindle someone by selling him something worthless
separate but equal — pertaining to a racial policy, formerly practiced in some parts of the United States, by which black people could be segregated if granted equal opportunities and facilities, as for education, transportation, or jobs.
simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
sit up like jackie — to sit bolt upright, esp cheekily
slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
slow on the uptake — slow to understand or learn
sodium hyposulfite — sodium thiosulfate.
sodium polysulfide — a yellow-brown, water-soluble, granular powder, Na 2 S n , used chiefly in the manufacture of sulfur dyes, insecticides, and synthetic rubber.
speak for yourself — If you say 'Speak for yourself' when someone has said something, you mean that what they have said is only their opinion or applies only to them.
special prosecutor — (formerly) an independent counsel.
spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
spectrofluorometer — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
status epilepticus — a condition in which repeated epileptic seizures occur without the patient gaining consciousness between them. If untreated for a prolonged period it can lead to long-term disability or death
subatomic particle — physics:
subject complement — a word or a group of words, usually functioning as an adjective or noun, that is used in the predicate following a copula and describes or is identified with the subject of the sentence, as sleepy in The travelers became sleepy.
super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
super middleweight — a boxer weighing up to 168 pounds (75.6 kg), between middleweight and light heavyweight.
super royal octavo — a book size, 63⁄4 by 101⁄4 inches
super royal quarto — a book size, 101⁄4 by 131⁄2 inches
superciliary ridge — browridge.
supraorbital ridge — browridge.
surgical appliance — a specialized device used by somebody to relieve a particular medical condition
temporal summation — the act or process of summing.
the general public — the people in a society; people in general
to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
to play favourites — to display favouritism
to pull a fast one — If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you.
to take the plunge — If you take the plunge, you decide to do something that you consider difficult or risky.
truck center plate — one of a pair of plates that fit together and support the body of a car on a truck, while allowing the truck to rotate with respect to the body. One plate (body center plate) is attached to the underside of the car body and the other (truck center plate) is part of the car truck.
two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
unit magnetic pole — the unit of magnetic pole strength equal to the strength of a magnetic pole that repels a similar pole with a force of one dyne, the two poles being placed in a vacuum and separated by a distance of one centimeter.
unit-linked policy — a life-assurance policy, the investment benefits of which are directly in proportion to the number of units in a unit trust purchased on the policyholder's behalf
universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
unpledged delegate — (in the US) a delegate at a national party convention who is free to vote for any candidate
up someone's alley — suited to someone's tastes or abilities
up to one's elbows — the bend or joint of the human arm between upper arm and forearm.
up to the eyeballs — You use up to the eyeballs to emphasize that someone is in an undesirable state to a very great degree.
upper klamath lake — See under Klamath Lakes.
upper middle class — wealthy, highly-educated people

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