pure substance; composed of a single substance
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
pure substance; composed of a single element or compound
formalA chemistry term referring to a substance with a fixed composition, structure, and properties, and containing very few impurities. Contrasted with '混合物' (mixture).
Zhēng蒸
liú馏
shuǐ水
kě可
yǐ以
shì视
wéi为
yī一
zhǒng种
chún纯
jìng净
wù物
。
Distilled water can be considered a pure substance.
Zài在
huà化
xué学
shí实
yàn验
zhōng中
，
wǒ我
men们
jīng经
cháng常
xū需
yào要
shǐ使
yòng用
gāo高
chún纯
dù度
de的
chún纯
jìng净
wù物
。
In chemical experiments, we often need to use pure substances of high purity.
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Yǎng氧
qì气
hé和
zhēng蒸
liú馏
shuǐ水
dōu都
shì是
diǎn典
xíng型
de的
chún纯
jìng净
wù物
。
Both oxygen and distilled water are typical pure substances.
Zhè这
kuài块
jīn金
tiáo条
de的
chún纯
dù度
hěn很
gāo高
，
jiē接
jìn近
chún纯
jìng净
wù物
。
This gold bar has very high purity, close to being a pure substance.