red phosphorus; allotrope of phosphorus used in safety matches
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
red phosphorus; an allotrope of phosphorus, appearing as a dark red powder, non-toxic, used in manufacturing safety matches
formalTechnical term in chemistry. Red phosphorus is stable and non-toxic, unlike white phosphorus. It is the primary material used on the striking surface of safety matchboxes.
Hóng红
lín磷
shì是
zhì制
zào造
ān安
quán全
huǒ火
chái柴
de的
zhòng重
yào要
yuán原
liào料
。
Red phosphorus is an important raw material for manufacturing safety matches.
Yǔ与
yǒu有
dú毒
de的
bái白
lín磷
bù不
tóng同
,
hóng红
lín磷
zài在
cháng常
wēn温
xià下
shì是
wěn稳
dìng定
de的
。
Unlike toxic white phosphorus, red phosphorus is stable at room temperature.
Show 1 more exampleShow fewer examples
Zhè这
zhǒng种
àn暗
hóng红
sè色
de的
fěn粉
mò末
jiù就
shì是
hóng红
lín磷
。
This dark red powder is red phosphorus.