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(US), luster
a. a shiny metallic surface on some pottery and porcelain
b. (as modifier): lustre decoration
2. Mineralogy the way in which light is reflected from the surface of a mineral. It is one of the properties by which minerals are defined


(A French acronym for Synchronous real-time Lucid). Real-time dataflow language for synchronous systems, especially automatic control and signal processing. A Lucid subset, plus timing operators and user-defined clocks.

Designed for automatic control applications. It is based on the idea that automatic control engineers use to analyse, and specify their systems in terms of functions over sequences (sampled signals). It thus seems both safe and cost effective to try to compile directly those descriptions into executable code. A lot of work has been done, so as to get efficient compilation, and also in formal verification. The language has been used in nuclear plant control, and will be used in aircraft control.

["Outline of a Real-Time Data-Flow Language", J.-L. Bergerand et al, Proc IEE-CS Real Time Systems Symp, San Diego, IEEE Dec 1985, pp. 33-42].

["LUSTRE: A Declarative Language for Programming Synchronous Systems", P. Caspi et al, Conf Rec 14th Ann ACM Symp on Princ Prog Langs, 1987].
References in periodicals archive ?
moon is "lovely," it is also "lustreless." Onto the
Characteristics C1F d Colony Color pink Form round Brightness lustreless Elevation flat Consistency smooth cell morphology bacillus Gram + sporeforming Biochemical tests + Glucose + Mannitol + Lactose + Trehalose + Mannose - Arabinose + Ribose - Pyruvate + Arginine + Indoxilphosphatasa - Phosphatasa + PNP-[beta]-D galactopyranoside + Voges proskauer + Bile Aesculin - NaCl 6.5 % + Novobiocin - PNP: p-Nitrophenyl; NaCl: sodium chloride; (+) positive test; (-) negative test.
Whereas in Asia Pacific, the quarterly rental growth slowed down from 1.1% in Q4 2015 to 0.6% in Q1 2016 as the overall growth was hindered by the lustreless economic conditions of several tier-one markets.
On the lake of lustreless living, is the segment of retirement and solitude.
aeblaece 'lustreless', aegilde 'receiving no wergild as compensation', aelaete 2 'desert'
(52) In Love in Winter (1935), his eyes are: 'lustreless, protruded' and he has a 'brutal temper'.
They and DR Congo will now both be hoping bottom side Togo can cause an upset in their game with the Indomitable Lions on Sunday, to prevent the leaders putting three points between them and the chasing pack Libya, playing their first international competitive match for 32 months in front of a home crowd, were the better team for most of the game, but they did not raise their game enough to lead to a win in a lustreless match that surprisingly did not attract the attendance one would have anticipated.
66 % of total shell height; spire profile cyrtoconoid; columella reflected, umbilicus narrow; sculptured by microscopic axial riblets and even finer spiral threads; lustreless, mauve-brown, paler apically.
oebloece 'lustreless, pale, pallid', oehlwe 'pallid; deformed', slfsaene 'bright as
Scalp hairs were brittle and lustreless. Nails were
In 'Entrance' and 'Yarn (The Writer's Tale)' he celebrates the power of words, the secret passages they can open in the mind and how the poet's task is to 'subtly fold the lustreless straw to a sheen of gold'.