derivative 音标拼音: [dɚ'ɪvətɪv] [dɚ'ɪvɪtɪv]
a . 引出的,系出的
n . 引出之物,系出物,衍生字
引出的,系出的引出之物,系出物,衍生字
derivative 导出 微分 导数
derivative adj 1 :
resulting from or employing derivation ; "
a derivative process "; "
a highly derivative prose style "
n 1 :
the result of mathematical differentiation ;
the instantaneous change of one quantity relative to another ;
df (
x )/
dx [
synonym : {
derived function }, {
derivative },
{
differential coefficient }, {
differential }, {
first derivative }]
2 :
a compound obtained from ,
or regarded as derived from ,
another compound 3 :
a financial instrument whose value is based on another security [
synonym : {
derivative instrument }, {
derivative }]
4 : (
linguistics )
a word that is derived from another word ;
"`
electricity '
is a derivative of `
electric '"
Derivative \
De *
riv "
a *
tive \,
a . [
L .
derivativus :
cf .
F .
d ['
e ]
rivatif .]
Obtained by derivation ;
derived ;
not radical ,
original ,
or fundamental ;
originating ,
deduced ,
or formed from something else ;
secondary ;
as ,
a derivative conveyance ;
a derivative word .
[
1913 Webster ]
2 .
Hence ,
unoriginal (
said of art or other intellectual products .
[
PJC ]
{
Derivative circulation },
a modification of the circulation found in some parts of the body ,
in which the arteries empty directly into the veins without the interposition of capillaries . --
Flint . -- {
De *
riv "
a *
tive *
ly },
adv . --
{
De *
riv "
a *
tive *
ness },
n .
[
1913 Webster ]
Derivative \
De *
riv "
a *
tive \,
n .
1 .
That which is derived ;
anything obtained or deduced from another .
[
1913 Webster ]
2 . (
Gram .)
A word formed from another word ,
by a prefix or suffix ,
an internal modification ,
or some other change ;
a word which takes its origin from a root .
[
1913 Webster ]
3 . (
Mus .)
A chord ,
not fundamental ,
but obtained from another by inversion ;
or ,
vice versa ,
a ground tone or root implied in its harmonics in an actual chord .
[
1913 Webster ]
4 . (
Med .)
An agent which is adapted to produce a derivation (
in the medical sense ).
[
1913 Webster ]
5 . (
Math .)
A derived function ;
a function obtained from a given function by a certain algebraic process .
[
1913 Webster ]
Note :
Except in the mode of derivation the derivative is the same as the differential coefficient .
See {
Differential coefficient },
under {
Differential }.
[
1913 Webster ]
6 . (
Chem .)
A substance so related to another substance by modification or partial substitution as to be regarded as derived from it ;
thus ,
the amido compounds are derivatives of ammonia ,
and the hydrocarbons are derivatives of methane ,
benzene ,
etc .
[
1913 Webster ]
62 Moby Thesaurus words for "
derivative ":
accountable ,
acquired ,
alleged ,
ascribable ,
assignable ,
attributable ,
attributed ,
borrowed ,
by -
product ,
charged ,
conjugate ,
consequent ,
consequential ,
copied ,
credited ,
derivable from ,
derivation ,
derivational ,
derived ,
descendant ,
development ,
due ,
echoic ,
ensuing ,
etymologic ,
explicable ,
final ,
following ,
imitative ,
imputable ,
imputed ,
lexical ,
lexicographic ,
lexicologic ,
lexigraphic ,
noncreative ,
nongerminal ,
nonseminal ,
obtained ,
offshoot ,
onomastic ,
onomatologic ,
onomatopoeic ,
owing ,
paronymic ,
paronymous ,
plagiarized ,
procured ,
putative ,
referable ,
referred to ,
resultant ,
resulting ,
sequacious ,
sequent ,
sequential ,
spin -
off ,
traceable ,
uncreative ,
uninventive ,
unoriginal ,
unpregnant DERIVATIVE .
Coming from another ;
taken from something preceding ,
secondary ;
as derivative title ,
which is that acquired from another person .
There is considerable difference between an original and a derivative title .
When the acquisition is original ,
the right thus acquired to the thing becomes property ,
which must be unqualified and unlimited ,
and since no one but the occupant has any right to the thing ,
he must have the whole right of disposing of it .
But with regard to derivative acquisition ,
it may be otherwise ,
for the person from whom the thing is acquired may not have an unlimited right to it ,
or he may convey or transfer it with certain reservations of right .
Derivative title must always be by contract .
2 .
Derivative conveyances are ,
those which presuppose some other precedent conveyance ,
and serve only to enlarge ,
confirm ,
alter ,
restrain ,
restore ,
or transfer the interest granted by such original conveyance ,
3 Bl .
Com .
321 .
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