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lustre    音標拼音: [l'ʌstɚ]
光澤彩料

光澤彩料

lustre
n 1: a surface coating for ceramics or porcelain [synonym: {luster},
{lustre}]
2: a quality that outshines the usual [synonym: {luster}, {lustre},
{brilliancy}, {splendor}, {splendour}]
3: the visual property of something that shines with reflected
light [synonym: {shininess}, {sheen}, {luster}, {lustre}]

Luster \Lus"ter\ Lustre \Lus"tre\, n. [L. lustrum: cf. F.
lustre.]
A period of five years; a lustrum.
[1913 Webster]

Both of us have closed the tenth luster. --Bolingbroke.
[1913 Webster] Luster


Luster \Lus"ter\, Lustre \Lus"tre\, n. [F. lustre; cf. It.
lustro; both fr. L. lustrare to purify, go about (like the
priests at the lustral sacrifice), traverse, survey,
illuminate, fr. lustrum a purificatory sacrifice; perh. akin
to E. loose. But lustrare to illuminate is perhaps a
different word, and akin to L. lucere to be light or clear,
to shine. See {Lucid}, and cf. {Illustrious}, {Lustrum}.]
[1913 Webster]
1. Brilliancy; splendor; brightness; glitter.
[1913 Webster]

The right mark and very true luster of the diamond.
--Sir T. More.
[1913 Webster]

The scorching sun was mounted high,
In all its luster, to the noonday sky. --Addison.
[1913 Webster]

Note: There is a tendency to limit the use of luster, in this
sense, to the brightness of things which do not shine
with their own light, or at least do not blaze or glow
with heat. One speaks of the luster of a diamond, or of
silk, or even of the stars, but not often now of the
luster of the sun, a coal of fire, or the like.
[1913 Webster]

2. Renown; splendor; distinction; glory.
[1913 Webster]

His ancestors continued about four hundred years,
rather without obscurity than with any great luster.
--Sir H.
Wotton.
[1913 Webster]

3. A candlestick, chandelier, girandole, or the like,
generally of an ornamental character. --Pope.
[1913 Webster]

4. (Min.) The appearance of the surface of a mineral as
affected by, or dependent upon, peculiarities of its
reflecting qualities.
[1913 Webster]

Note: The principal kinds of luster recognized are: metallic,
adamantine, vitreous, resinous, greasy, pearly, and
silky. With respect to intensity, luster is
characterized as splendent, shining, glistening,
glimmering, and dull.
[1913 Webster]

5. A substance which imparts luster to a surface, as graphite
and some of the glazes.
[1913 Webster]

6. A fabric of wool and cotton with a lustrous surface, --
used for women's dresses.
[1913 Webster]

{Luster ware}, earthenware decorated by applying to the
glazing metallic oxides, which acquire brilliancy in the
process of baking.
[1913 Webster] Luster


Lustre \Lus"tre\, n.
Same as {Luster}.
[1913 Webster]


Luster \Lus"ter\, Lustre \Lus"tre\, v. t. [imp. & p. p.
{Lustred}; p. pr. & vb. n. {Lustering}, or {Lustring}.]
To make lustrous. [R. & Poetic]
[1913 Webster]

Flooded and lustered with her loosened gold. --Lowell.
[1913 Webster]

(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].

(1994-10-12)

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