Lean

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Related to leanest: instil, engage with, came into

lean

1. (of a mixture of fuel and air) containing insufficient fuel and too much air
2. (of concrete) made with a small amount of cement

Lean

Sir David. 1908--91, English film director. His films include In Which We Serve (1942), Blithe Spirit (1945), Brief Encounter (1946), Great Expectations (1946), Oliver Twist (1948), The Bridge on the River Kwai (1957), Lawrence of Arabia (1962), Dr Zhivago (1965), and A Passage to India (1984)

lean

[lēn]
(materials)
Of concrete or mortar, containing little or insufficient cement.
Of clay, deficient in plasticity.
Of coal, having little or no volatile matter.
Of lime, containing impurities.
Of fuel mixture, expecially for internal combustion engines, being low in combustible component.
Of ore, being low-grade.

Lean

An experimental language from the University of Nijmegen and University of East Anglia, based on graph rewriting and useful as an intermediate language. Lean is descended from Dactl0.

Clean is a subset of Lean.

["Towards an Intermediate Language Based on Graph Rewriting", H.P. Barendregt et al in PARLE: Parallel Architectures and Languages Europe, G. Goos ed, LNCS 259, Springer 1987, pp.159-175].
References in periodicals archive ?
When you do eat red meat, trim visible fat before cooking and choose the leanest cuts available such as sirloin, tenderloin, or round.
This new partnership with Primekss brings together the best minds in pavement engineering under one roof and allows us to deliver to our clients PrimeComposite: the world's strongest, leanest, jointless floors."
While this may well be turning out to be a bumper November for the excise department, its officials said that October was one of the leanest periods for them.
The deep filled pie is made using the leanest, prime chunks of steak beef soaked in Brains SA gravy encased in a light, golden, flaky pastry.
Provide food in the late winter and early spring - the leanest time.
If it's one of the leanest novels ever written it's forgivable since character is never sacrificed -- quite the opposite.
The rest of the New England states were some of the leanest in the country, with Massachusetts placing 50th (21.2 percent), followed by Connecticut (49th, 21.3 percent), Rhode Island, (48th, 21.7 percent) and Vermont (46th, 22.1 percent).
I understand the need to improve some "old" manufacturing techniques, and taking an old traditional factory to one of the UK's leanest factories could be considered good work.
Only the more expensive Audi A6 2.7 TDi is lower on the benefit in kind scale - and that is before Volvo introduces the leanest and meanest executive car when it drops a 1.6-litre diesel into the S80 later in the year.
Although Colorado is ranked as one of the leanest U.S.
According to the report, the European office markets are experiencing their leanest period for five years.
Jonas, an East Coast lawyer turned Montana cowboy, has bred two of the leanest cattle breeds--the Scottish Highland and the Piedmontese--to create what he calls the HighMont.