arsenic 音标拼音: ['ɑrsənɪk]
n . 砷,砒霜
砷,砒霜
arsenic n 1 :
a white powdered poisonous trioxide of arsenic ;
used in manufacturing glass and as a pesticide (
rat poison )
and weed killer [
synonym : {
arsenic }, {
arsenic trioxide }, {
arsenous anhydride }, {
arsenous oxide }, {
white arsenic }, {
ratsbane }]
2 :
a very poisonous metallic element that has three allotropic forms ;
arsenic and arsenic compounds are used as herbicides and insecticides and various alloys ;
found in arsenopyrite and orpiment and realgar [
synonym : {
arsenic }, {
As }, {
atomic number 33 }]
Arsenic \
Ar *
sen "
ic \,
a . (
Chem .)
Pertaining to ,
or derived from ,
arsenic ; --
said of those compounds of arsenic in which this element has its highest equivalence ;
as ,
arsenic acid .
[
1913 Webster ]
Arsenic \
Ar "
se *
nic \ ([
aum ]
r "
s [-
e ]*
n [
i ^]
k ;
277 ),
n . [
L .
arsenicum ,
Gr . '
arseniko `
n , '
arreniko `
n ,
yellow orpiment ,
perh .
fr . '
arseniko `
s or better Attic '
arreniko `
s masculine ,
'
a `
rrhn male ,
on account of its strength ,
or fr .
Per .
zern [
imac ]
kh :
cf .
F .
arsenic .]
1 . (
Chem .)
One of the elements ,
a solid substance resembling a metal in its physical properties ,
but in its chemical relations ranking with the nonmetals .
It is of a steel -
gray color and brilliant luster ,
though usually dull from tarnish .
It is very brittle ,
and sublimes at 356 [
deg ]
Fahrenheit .
It is sometimes found native ,
but usually combined with silver ,
cobalt ,
nickel ,
iron ,
antimony ,
or sulphur .
Orpiment and realgar are two of its sulphur compounds ,
the first of which is the true arsenicum of the ancients .
The element and its compounds are active poisons .
Specific gravity from 5 .
7 to 5 .
9 .
Atomic weight 75 .
Symbol As .
[
1913 Webster ]
2 . (
Com .)
Arsenious oxide or arsenious anhydride ; --
called also {
arsenious acid }, {
white arsenic },
and {
ratsbane }.
[
1913 Webster ]
25 Moby Thesaurus words for "
arsenic ":
DDD ,
DDT ,
Paris green ,
antimony ,
arsenic trioxide ,
beryllium ,
bichloride of mercury ,
cadmium ,
carbolic acid ,
carbon monoxide ,
carbon tetrachloride ,
chlorine ,
cyanide ,
hydrocyanic acid ,
hyoscyamine ,
lead ,
mercuric chloride ,
mercury ,
mustard gas ,
nicotine ,
phenol ,
poison gas ,
prussic acid ,
selenium ,
strychnine
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