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indicator    音标拼音: ['ɪndək,etɚ]
n. 指示器,指示剂
n. 指示器

指示器,指示剂指示器

indicator
指示器

indicator
指示器 指示符

indicator
n 1: a number or ratio (a value on a scale of measurement)
derived from a series of observed facts; can reveal
relative changes as a function of time [synonym: {index},
{index number}, {indicant}, {indicator}]
2: a signal for attracting attention
3: a device for showing the operating condition of some system
4: (chemistry) a substance that changes color to indicate the
presence of some ion or substance; can be used to indicate
the completion of a chemical reaction or (in medicine) to
test for a particular reaction

Honey \Hon"ey\ (h[u^]n"[y^]), n. [OE. honi, huni, AS. hunig;
akin to OS. honeg, D. & G. honig, OHG. honag, honang, Icel.
hunang, Sw. h[*a]ning, Dan. honning, cf. Gr. ko`nis dust,
Skr. ka[.n]a grain.]
1. A sweet viscid fluid, esp. that collected by bees from
flowers of plants, and deposited in the cells of the
honeycomb.
[1913 Webster]

2. That which is sweet or pleasant, like honey.
[1913 Webster]

The honey of his language. --Shak.
[1913 Webster]

3. Sweet one; -- a term of endearment. --Chaucer.
[1913 Webster]

Honey, you shall be well desired in Cyprus. --Shak.
[1913 Webster]

Note: Honey is often used adjectively or as the first part of
compound; as, honeydew or honey dew; honey guide or
honeyguide; honey locust or honey-locust.
[1913 Webster]

{Honey ant} (Zool.), a small ant ({Myrmecocystus melliger}),
found in the Southwestern United States, and in Mexico,
living in subterranean formicares. There are larger and
smaller ordinary workers, and others, which serve as
receptacles or cells for the storage of honey, their
abdomens becoming distended to the size of a currant.
These, in times of scarcity, regurgitate the honey and
feed the rest.

{Honey badger} (Zool.), the ratel.

{Honey bear}. (Zool.) See {Kinkajou}.

{Honey buzzard} (Zool.), a bird related to the kites, of the
genus {Pernis}. The European species is {Pernis apivorus};
the Indian or crested honey buzzard is {Pernis
ptilorhyncha}. They feed upon honey and the larv[ae] of
bees. Called also {bee hawk}, {bee kite}.

{Honey guide} (Zool.), one of several species of small birds
of the family {Indicatorid[ae]}, inhabiting Africa and the
East Indies. They have the habit of leading persons to the
nests to wild bees. Called also {honeybird}, and
{indicator}.

{Honey harvest}, the gathering of honey from hives, or the
honey which is gathered. --Dryden.

{Honey kite}. (Zool.) See {Honey buzzard} (above).

{Honey locust} (Bot.), a North American tree ({Gleditschia
triacanthos}), armed with thorns, and having long pods
with a sweet pulp between the seeds.

{Honey month}. Same as {Honeymoon}.

{Honey weasel} (Zool.), the ratel.
[1913 Webster]


Indicator \In"di*ca`tor\ ([i^]n"d[i^]*k[=a]`t[~e]r), n. [L.: cf.
F. indicateur.]
[1913 Webster]
1. One who, or that which, shows or points out; as, a fare
indicator in a street car.
[1913 Webster]

2. (Mach.) A pressure gauge; a water gauge, as for a steam
boiler; an apparatus or instrument for showing the working
of a machine or moving part; as:
(a) (Steam Engine) An instrument which draws a diagram
showing the varying pressure in the cylinder of an
engine or pump at every point of the stroke. It
consists of a small cylinder communicating with the
engine cylinder and fitted with a piston which the
varying pressure drives upward more or less against
the resistance of a spring. A lever imparts motion to
a pencil which traces the diagram on a card wrapped
around a vertical drum which is turned back and forth
by a string connected with the piston rod of the
engine. See {Indicator card} (below).
(b) A telltale connected with a hoisting machine, to show,
at the surface, the position of the cage in the shaft
of a mine, etc.
[1913 Webster]

3. (Mech.) The part of an instrument by which an effect is
indicated, as an index or pointer.
[1913 Webster]

4. (Zool.) Any bird of the genus {Indicator} and allied
genera. See {Honey guide}, under {Honey}.
[1913 Webster]

5. (Chem.) That which indicates the condition of acidity,
alkalinity, or the deficiency, excess, or sufficiency of a
standard reagent, by causing an appearance, disappearance,
or change of color, as in titration or volumetric
analysis.
[1913 Webster]

Note: The common indicators are litmus, trop[ae]olin, phenol
phthalein, potassic permanganate, etc.
[1913 Webster]

{Indicator card}, the figure drawn by an engine indicator, by
means of which the working of the engine can be
investigated and its power calculated. The Illustration
shows one form of indicator card, from a steam engine,
together with scales by which the pressure of the steam
above or below that of the atmosphere, corresponding to
any position of the engine piston in its stroke, can be
measured. Called also {indicator diagram}.

{Indicator telegraph}, a telegraph in which the signals are
the deflections of a magnetic needle, as in the
trans-Atlantic system.
[1913 Webster]

88 Moby Thesaurus words for "indicator":
Fathometer, JP, Justice, arbiter, arbitrator, badge, banner,
bencher, bob, character, characteristic, control indicator,
count-rate meter, critic, current indicator, density indicator,
depth sounder, detonation indicator, device, differentia, display,
earmark, echo sounder, fault lamp, flowmeter, galvanometer, gauge,
hallmark, his honor, his lordship, his worship, humidity indicator,
hygrometer, idiosyncrasy, image, index, indicant, insignia,
interferometer, ionization gauge, judge, justice, keynote, lead,
liquid-level indicator, load indicator, logger, magistrate, mark,
measure, meter, moderator, needle, note, pH meter, peculiarity,
picture, plumb, plumb bob, plumb line, plummet, pointer,
potentiometer, probe, property, psychometer, pyrometer, referee,
representation, representative, seal, sigil, sign, signal,
signature, sound, space probe, stamp, sure sign, symptom,
telltale sign, thermocouple, time-interval meter, trait,
turn indicator, umpire, vibration meter, voltage indicator


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