qualitative 音标拼音: [kw'ɑlət
, etɪv]
a . 性质上的,质的,定性的
性质上的,质的,定性的
qualitative 定性
qualitative adj 1 :
involving distinctions based on qualities ; "
qualitative change "; "
qualitative data "; "
qualitative analysis determines the chemical constituents of a substance or mixture " [
ant : {
quantitative }]
2 :
relating to or involving comparisons based on qualities Qualitative \
Qual "
i *
ta *
tive \,
a . [
Cf .
LL .
gualitativus ,
F .
qualitatif .]
Relating to quality ;
having the character of quality . --
{
Qual "
i *
ta *
tive *
ly },
adv .
[
1913 Webster ]
{
Qualitative analysis } (
Chem .),
analysis which merely determines the constituents of a substance without any regard to the quantity of each ingredient ; --
contrasted with quantitative analysis .
[
1913 Webster ]
Analysis \
A *
nal "
y *
sis \,
n .;
pl . {
Analyses }. [
Gr . ?,
fr . ?
to unloose ,
to dissolve ,
to resolve into its elements ; ?
up ?
to loose .
See {
Loose }.]
1 .
A resolution of anything ,
whether an object of the senses or of the intellect ,
into its constituent or original elements ;
an examination of the component parts of a subject ,
each separately ,
as the words which compose a sentence ,
the tones of a tune ,
or the simple propositions which enter into an argument .
It is opposed to {
synthesis }.
[
1913 Webster ]
2 . (
Chem .)
The separation of a compound substance ,
by chemical processes ,
into its constituents ,
with a view to ascertain either (
a )
what elements it contains ,
or (
b )
how much of each element is present .
The former is called {
qualitative },
and the latter {
quantitative analysis }.
[
1913 Webster ]
3 . (
Logic )
The tracing of things to their source ,
and the resolving of knowledge into its original principles .
[
1913 Webster ]
4 . (
Math .)
The resolving of problems by reducing the conditions that are in them to equations .
[
1913 Webster ]
5 .
(
a )
A syllabus ,
or table of the principal heads of a discourse ,
disposed in their natural order .
(
b )
A brief ,
methodical illustration of the principles of a science .
In this sense it is nearly synonymous with synopsis .
[
1913 Webster ]
6 . (
Nat .
Hist .)
The process of ascertaining the name of a species ,
or its place in a system of classification ,
by means of an analytical table or key .
[
1913 Webster ]
{
Ultimate }, {
Proximate }, {
Qualitative }, {
Quantitative },
and {
Volumetric analysis }. (
Chem .)
See under {
Ultimate },
{
Proximate }, {
Qualitative },
etc .
[
1913 Webster ]
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