19-letter words starting with l
- lift up one's voice — to speak out loudly
- light entertainment — entertainment that requires less mental effort to enjoy, or is considered frivolous
- lighten sb's burden — If someone or something lightens your burden or your load, they make a bad or difficult situation better for you.
- lightning conductor — A lightning conductor is a long thin piece of metal on top of a building that attracts lightning and allows it to reach the ground safely.
- like a cheshire cat — If someone is grinning like a Cheshire cat or like the Cheshire cat, they are smiling very widely.
- like a dog's dinner — dressed smartly or ostentatiously
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- limited partnership — a partnership formed by at least one general partner and at least one special partner.
- line of demarcation — a separation between things deemed to be distinct
- line-of-battle ship — ship of the line.
- linear independence — (in linear algebra) the property of a set of elements in a vector space in which none of the vectors can be written as a linear combination of the others.
- linear polarization — polarization of light in which the vibrations are confined to a single plane, that of the wave front.
- liouville's theorem — the theorem that every function of a complex variable, bounded and differentiable for all finite values of the variable, is a constant function.
- lipopolysaccharides — Plural form of lipopolysaccharide.
- lipschitz condition — the property of a function on a closed interval such that the absolute value of the difference in functional values at any two points in the interval is less than a constant times the absolute value of the difference of the points raised to some positive power m, called the order.
- liquorice all-sorts — a brand of assorted sweets containing liquorice as well as coloured candy made of sugar, gelatine, and coconut
- live one's own life — If you live your own life, you live in the way that you want to and accept responsibility for your actions and decisions, without other people's advice or interference.
- load-bearing printf — (programming, humour) The kind of bug present in a program which works correctly when producing debug output but fails when the debugging is turned off. The expression combines load-bearing wall and printf as used in debugging by printf.
- lobby correspondent — a political correspondent who reports from parliament
- lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
- local area terminal — (protocol) (LAT) A DECnet-related, non-routable network protocol.
- locomotive engineer — engineer (def 3).
- locomotive workshop — a place where locomotives are built or repaired
- logical consequence — the relation that obtains between the conclusion and the premises of a formally valid argument
- logical shift right — logical shift
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- long live/ long may — You use long live and long may in expressions such as 'long live the Queen' and 'long may it continue' to express your support for someone or something and your hope that they will live or last a long time.
- long-and-short work — an arrangement of rectangular quoins or jambstones set alternately vertically and horizontally.
- longitudinal parity — (storage, communications) An extra byte (or word) appended to a block of data in order to reveal corruption of the data. Bit n of this byte indicates whether there was an even or odd number of "1" bits in bit position n of the bytes in the block. The parity byte is computed by XORing the data bytes in the block. Longitudinal parity allows single bit errors to be detected.
- look (like) oneself — to appear to be in normal health, spirits, etc.
- look sb up and down — If someone looks you up and down, they direct their eyes from your head to your feet, in a rude and superior way and often as though they disapprove of you.
- lord baltimore cake — a yellow layer cake, using only the yolks of eggs and having a fruit-nut filling consisting of pecans, almonds, maraschino cherries, and macaroon crumbs.
- lose in the shuffle — to leave out or disregard in the confusion of things
- lose no opportunity — If you say that someone loses no opportunity to do or say a particular thing, you are emphasizing that they do it or say it whenever it is possible.
- lose one's heart to — to fall in love with
- lose one's shirt on — to lose all one has on (a horse, etc)
- lose your virginity — When you lose your virginity, you have sex for the first time.
- loss on translation — A loss on translation is the amount of money that is lost by a company by converting another currency used in a transaction into the functional currency of the company.
- loss-of-containment — Loss-of-containment happens when a fluid which is usually contained somewhere escapes from that place.
- louis ii de bourbon — Condé, Prince de.
- love at first sight — instant romantic attraction to sb
- low insertion force — (hardware) (LIF) PGA/SPGA sockets with no handle. The integrated circuit is simply pushed into the socket, and levered out to remove. Most motherboard processor sockets are now ZIF rather than LIF.
- lucent technologies — (company, telecommunications, Unix) The former systems and equipment portion of AT&T (including Bell Laboratories), split off in 1996.
- lucia di lammermoor — an opera (1835) by Gaetano Donizetti, based on Sir Walter Scott's novel The Bride of Lammermoor.
- lumholtz's kangaroo — boongary.
- luminous efficiency — the perceived brightness of light as a ratio of the total luminous flux to total radiant flux of the source; a measure of brightness obtained by dividing the source's luminous flux by the consumption of its energy.
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- luteinizing hormone — LH.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.