unit 音标拼音: [j'unət] [j'unɪt]
n . 单位,分队,部队,单元,部件,装置
a . 单位的,单元的
单位,分队,部队,单元,部件,装置单位的,单元的
unit 开始单元; 接通单元;
ON 体
unit 单位记录
unit 执行单位
unit 伺服机构
unit 单位时间
unit 单位; 单元; 部件; 装置; 设备; 器
U
unit 应用程序运行单位
unit 单位 单元 装置
unit n 1 :
any division of quantity accepted as a standard of measurement or exchange ; "
the dollar is the United States unit of currency "; "
a unit of wheat is a bushel "; "
change per unit volume " [
synonym : {
unit of measurement }, {
unit }]
2 :
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole ; "
the reduced the number of units and installations "; "
the word is a basic linguistic unit "
3 :
an organization regarded as part of a larger social group ;
"
the coach said the offensive unit did a good job "; "
after the battle the soldier had trouble rejoining his unit " [
synonym :
{
unit }, {
social unit }]
4 :
a single undivided whole ; "
an idea is not a unit that can be moved from one brain to another "
5 :
a single undivided natural thing occurring in the composition of something else ; "
units of nucleic acids " [
synonym : {
unit },
{
building block }]
6 :
an assemblage of parts that is regarded as a single entity ;
"
how big is that part compared to the whole ?"; "
the team is a unit " [
synonym : {
whole }, {
unit }]
Unit \
U "
nit \,
n . [
Abbrev .
from unity .]
1 .
A single thing or person .
[
1913 Webster ]
2 . (
Arith .)
The least whole number ;
one .
[
1913 Webster ]
Units are the integral parts of any large number .
--
I .
Watts .
[
1913 Webster ]
3 .
A gold coin of the reign of James I .,
of the value of twenty shillings . --
Camden .
[
1913 Webster ]
4 .
Any determinate amount or quantity (
as of length ,
time ,
heat ,
value )
adopted as a standard of measurement for other amounts or quantities of the same kind .
[
1913 Webster ]
5 . (
Math .)
A single thing ,
as a magnitude or number ,
regarded as an undivided whole .
[
1913 Webster ]
{
Abstract unit },
the unit of numeration ;
one taken in the abstract ;
the number represented by 1 .
The term is used in distinction from concrete ,
or determinate ,
unit ,
that is ,
a unit in which the kind of thing is expressed ;
a unit of measure or value ;
as 1 foot ,
1 dollar ,
1 pound ,
and the like .
{
Complex unit } (
Theory of Numbers ),
an imaginary number of the form a broot {-
1 },
when a ^{
2 }
b ^{
2 } =
1 .
{
Duodecimal unit },
a unit in the scale of numbers increasing or decreasing by twelves .
{
Fractional unit },
the unit of a fraction ;
the reciprocal of the denominator ;
thus ,
1 /
4 is the unit of the fraction 3 /
4 .
{
Integral unit },
the unit of integral numbers ,
or 1 .
{
Physical unit },
a value or magnitude conventionally adopted as a unit or standard in physical measurements .
The various physical units are usually based on given units of length ,
mass ,
and time ,
and on the density or other properties of some substance ,
for example ,
water .
See {
Dyne }, {
Erg }, {
Farad }, {
Ohm }, {
Poundal },
etc .
{
Unit deme } (
Biol .),
a unit of the inferior order or orders of individuality .
{
Unit jar } (
Elec .),
a small ,
insulated Leyden jar ,
placed between the electrical machine and a larger jar or battery ,
so as to announce ,
by its repeated discharges ,
the amount of electricity passed into the larger jar .
{
Unit of heat } (
Physics ),
a determinate quantity of heat adopted as a unit of measure ;
a thermal unit (
see under {
Thermal }).
Water is the substance generally employed ,
the unit being one gram or one pound ,
and the temperature interval one degree of the Centigrade or Fahrenheit scale .
When referred to the gram ,
it is called the gram degree .
The British unit of heat ,
or thermal unit ,
used by engineers in England and in the United States ,
is the quantity of heat necessary to raise one pound of pure water at and near its temperature of greatest density (
39 .
1 [
deg ]
Fahr .)
through one degree of the Fahrenheit scale . --
Rankine .
{
Unit of illumination },
the light of a sperm candle burning 120 grains per hour .
Standard gas ,
burning at the rate of five cubic feet per hour ,
must have an illuminating power equal to that of fourteen such candles .
{
Unit of measure } (
as of length ,
surface ,
volume ,
dry measure ,
liquid measure ,
money ,
weight ,
time ,
and the like ),
in general ,
a determinate quantity or magnitude of the kind designated ,
taken as a standard of comparison for others of the same kind ,
in assigning to them numerical values ,
as 1 foot ,
1 yard ,
1 mile ,
1 square foot ,
1 square yard ,
1 cubic foot ,
1 peck ,
1 bushel ,
1 gallon ,
1 cent ,
1 ounce ,
1 pound ,
1 hour ,
and the like ;
more specifically ,
the fundamental unit adopted in any system of weights ,
measures ,
or money ,
by which its several denominations are regulated ,
and which is itself defined by comparison with some known magnitude ,
either natural or empirical ,
as ,
in the United States ,
the dollar for money ,
the pound avoirdupois for weight ,
the yard for length ,
the gallon of 8 .
3389 pounds avoirdupois of water at 39 .
8 [
deg ]
Fahr .
(
about 231 cubic inches )
for liquid measure ,
etc .;
in Great Britain ,
the pound sterling ,
the pound troy ,
the yard ,
or 1 /
108719 part of the length of a second '
s pendulum at London ,
the gallon of 277 .
274 cubic inches ,
etc .;
in the metric system ,
the meter ,
the liter ,
the gram ,
etc .
{
Unit of power }. (
Mach .)
See {
Horse power }.
{
Unit of resistance }. (
Elec .)
See {
Resistance },
n .,
4 ,
and {
Ohm }.
{
Unit of work } (
Physics ),
the amount of work done by a unit force acting through a unit distance ,
or the amount required to lift a unit weight through a unit distance against gravitation .
See {
Erg }, {
Foot Pound },
{
Kilogrammeter }.
{
Unit stress } (
Mech .
Physics ),
stress per unit of area ;
intensity of stress .
It is expressed in ounces ,
pounds ,
tons ,
etc .,
per square inch ,
square foot ,
or square yard ,
etc .,
or in atmospheres ,
or inches of mercury or water ,
or the like .
[
1913 Webster ]
170 Moby Thesaurus words for "
unit ":
I ,
KP ,
abampere ,
abcoulomb ,
abfarad ,
abhenry ,
abohm ,
abvolt ,
ace ,
ampere ,
ampere -
foot ,
ampere -
hour ,
ampere -
minute ,
an existence ,
army ,
army group ,
article ,
atom ,
atomic mass ,
atomic number ,
atomic weight ,
battalion ,
battery ,
battle group ,
being ,
body ,
brigade ,
cadre ,
carat ,
centigram ,
cohort ,
column ,
combat command ,
combat team ,
company ,
component ,
constituent ,
corps ,
coulomb ,
creature ,
critter ,
decagram ,
decigram ,
detachment ,
detail ,
division ,
dram ,
dram avoirdupois ,
dyne ,
element ,
entelechy ,
entity ,
farad ,
field army ,
field train ,
fighting force ,
file ,
firepower ,
flying column ,
force ,
forces ,
garrison ,
grain ,
gram ,
half -
life ,
hands ,
henry ,
hundredweight ,
individual ,
integer ,
item ,
kilo ,
kilogram ,
kilovolt -
ampere ,
kilowatt ,
kilowatt -
hour ,
kitchen police ,
legion ,
life ,
maniple ,
mass ,
megacoulomb ,
megaton ,
megavolt ,
megawatt ,
megohm ,
men ,
mho ,
microhenry ,
micromho ,
micromicrofarad ,
microvolt ,
microwatt ,
milliampere ,
milligram ,
millihenry ,
millivolt ,
module ,
mole ,
monad ,
no other ,
none else ,
nothing else ,
nought beside ,
object ,
ohm ,
ohm -
mile ,
one ,
one and only ,
organism ,
organization ,
ounce ,
ounce avoirdupois ,
ounce troy ,
outfit ,
part ,
pennyweight ,
person ,
persona ,
personality ,
personnel ,
phalanx ,
picofarad ,
piece ,
platoon ,
point ,
portion ,
posse ,
pound ,
pound avoirdupois ,
pound troy ,
poundal ,
quantum ,
rank ,
regiment ,
roentgen ,
scruple ,
section ,
segment ,
single ,
singleton ,
slug ,
something ,
soul ,
squad ,
squadron ,
statampere ,
statcoulomb ,
statfarad ,
statvolt ,
stone ,
tactical unit ,
task force ,
the big battalions ,
thing ,
ton ,
train ,
troop ,
troops ,
units ,
units of weight ,
valence ,
volt ,
volt -
coulomb ,
volt -
second ,
watt ,
watt -
hour ,
weight ,
wing ,
work force
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