amorphous solid; non-crystalline substance
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
amorphous solid; non-crystalline substance
In materials science and chemistry, refers to a solid that lacks the long-range periodic order characteristic of a crystal. Unlike crystalline solids, amorphous solids do not have a sharp melting point and gradually soften upon heating. Common examples include glass, obsidian, and many polymers.
Bō玻
li璃
shì是
yī一
zhǒng种
cháng常
jiàn见
de的
wú无
dìng定
xíng形
wù物
。
Glass is a common amorphous solid.
Wú无
dìng定
xíng形
wù物
méi没
yǒu有
gù固
dìng定
de的
róng熔
diǎn点
，
jiā加
rè热
shí时
huì会
zhú逐
jiàn渐
ruǎn软
huà化
。
Amorphous solids do not have a fixed melting point; they gradually soften when heated.
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Zhè这
zhǒng种
jù聚
hé合
wù物
zài在
cháng常
wēn温
xià下
chéng呈
wú无
dìng定
xíng形
zhuàng状
tài态
。
This polymer exists in an amorphous state at room temperature.