deadbeat 音标拼音: [d'ɛdb
, it]
a . 速示的,不振荡的,非周期的,非调谐的
速示的,不振荡的,非周期的,非调谐的
deadbeat n 1 :
someone who fails to meet a financial obligation [
synonym :
{
defaulter }, {
deadbeat }]
dead beat \
dead `
beat "\ (
d [
e ^]
d `
b [=
e ]
t "),
deadbeat \
dead "
beat `\(
d [
e ^]
d "
b [=
e ]
t `).
a loafer ,
sponger ,
or swindler ;
especially ,
one who does not pay his debts .
Same as {
Beat },
n .,
7 . [
Low ,
U .
S .]
[
1913 Webster ]
Deadbeat \
Dead "
beat `\,
a . (
Physics )
Making a beat without recoil ;
giving indications by a single beat or excursion ; --
said of galvanometers and other instruments in which the needle or index moves to the extent of its deflection and stops with little or no further oscillation .
[
1913 Webster ]
{
Deadbeat escapement }.
See under {
Escapement }.
[
1913 Webster ]
Beat \
Beat \,
n .
1 .
A stroke ;
a blow .
[
1913 Webster ]
He ,
with a careless beat ,
Struck out the mute creation at a heat . --
Dryden .
[
1913 Webster ]
2 .
A recurring stroke ;
a throb ;
a pulsation ;
as ,
a beat of the heart ;
the beat of the pulse .
[
1913 Webster ]
3 . (
Mus .)
(
a )
The rise or fall of the hand or foot ,
marking the divisions of time ;
a division of the measure so marked .
In the rhythm of music the beat is the unit .
(
b )
A transient grace note ,
struck immediately before the one it is intended to ornament .
[
1913 Webster ]
4 . (
Acoustics &
Mus .)
A sudden swelling or re ["
e ]
nforcement of a sound ,
recurring at regular intervals ,
and produced by the interference of sound waves of slightly different periods of vibrations ;
applied also ,
by analogy ,
to other kinds of wave motions ;
the pulsation or throbbing produced by the vibrating together of two tones not quite in unison .
See {
Beat },
v .
i .,
8 .
[
1913 Webster ]
5 .
A round or course which is frequently gone over ;
as ,
a watchman '
s beat ;
analogously ,
for newspaper reporters ,
the subject or territory that they are assigned to cover ;
as ,
the Washington beat .
[
1913 Webster PJC ]
6 .
A place of habitual or frequent resort .
[
1913 Webster ]
7 .
A cheat or swindler of the lowest grade ; --
often emphasized by dead ;
as ,
a dead beat ;
also , {
deadbeat }.
[
Low ]
[
1913 Webster ]
{
Beat of drum } (
Mil .),
a succession of strokes varied ,
in different ways ,
for particular purposes ,
as to regulate a march ,
to call soldiers to their arms or quarters ,
to direct an attack ,
or retreat ,
etc .
{
Beat of a watch },
or {
Beat of a clock },
the stroke or sound made by the action of the escapement .
A clock is in beat or out of beat ,
according as the stroke is at equal or unequal intervals .
[
1913 Webster ]
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