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词汇
lumi-
词根词缀
SOED
Webster
lumi-
/
ˈlu:mi
,
ˈlju:-
/
combining form
of Latin
lumin-
,
lumen
light: see
-i-
.
DERIVATIVE
lumichrome
noun
(
Chemistry
) a compound,
C
12
H
10
N
4
O
2
, formed by ultraviolet irradiation of riboflavin in acidic solution and showing a blue fluorescence
M20
.
lumiˈflavin
noun
(
Chemistry
) a compound,
C
13
H
12
N
4
O
2
, formed by ultraviolet irradiation of riboflavin in alkaline solution and showing a yellow-green fluorescence
M20
.
lumirhoˈdopsin
noun
(
Biochemistry
) an orange intermediate that is formed when rhodopsin is bleached by light and changes spontaneously to metarhodopsin
M20
.
luˈmisterol
noun
(
Biochemistry
) a steroid alcohol,
C
28
H
44
O
, which is a stereoisomer of ergosterol and occurs as an intermediate when this is converted to vitamin D
2
by ultraviolet irradiation and warming
M20
.
lumi-
prefix
Etymology:
irregular from Latin
lumin-, lumen
light
:
formed by irradiation
<
lumi
chrome >
<
lumi
sterol >
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salient
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salination
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salivary
salivate
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sallow
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更新时间：2025/5/14 18:30:39