DICT.TW Dictionary Taiwan
216.73.216.175
Search for:
Search type:
Return Definitions
Match headwords exactly
Match prefixes
Match prefixes (skip, count)
Match substring occurring anywhere in a headword
Match suffixes
POSIX 1003.2 (modern) regular expressions
Old (basic) regular expressions
Match using SOUNDEX algorithm
Match headwords within Levenshtein distance one
Match separate words within headwords
Match the first word within headwords
Match the last word within headwords
Database:
Any
First match
DICT.TW English-Chinese Dictionary 英漢字典
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
DICT.TW 注音查詢、中文輸入法字典
Taiwan MOE computer dictionary
Network Terminology
MDBG CC-CEDICT Chinese-English Dictionary 漢英字典
Japanese-English Electronic Dictionary 和英電子辞書
Webster's Revised Unabridged Dictionary (1913)
WordNet (r) 2.0
Elements database 20001107
Easton's 1897 Bible Dictionary
Hitchcock's Bible Names Dictionary (late 1800's)
▼
[Show options]
[
Pronunciation
] [
Help
] [
Database Info
] [
Server Info
]
5 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
lu·men
/ˈlumən/
流明,內腔
From:
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
lu·men
/ˈlumən/
名詞
(複
lumina
)流明(光通量單位),腔,流明(光通量單位),管腔(解剖),流明:光通量單位
From:
Taiwan MOE computer dictionary
lumen
流明
From:
Webster's Revised Unabridged Dictionary (1913)
Lu·men
n.
;
pl
.
L
.
Lumina
E
.
Lumens
.
1.
Photom.
(a)
A
unit
of
illumination
,
being
the
amount
of
illumination
of
a
unit
area
of
spherical
surface
,
due
to
a
light
of
unit
intensity
placed
at
the
center
of
the
sphere
.
(b)
A
unit
of
light
flux
,
being
the
flux
through
one
square
meter
of
surface
the
illumination
of
which
is
uniform
and
of
unit
brightness
.
2.
Biol.
An
opening
,
space
,
or
cavity
,
esp
.
a
tubular
cavity
;
a
vacuole
.
◄
►
From:
WordNet (r) 2.0
lumen
n
1:
a
unit
of
luminous
flux
equal
to
the
amount
of
light
given
out
through
a
solid
angle
of
1
steradian
by
a
point
source
of
1
candela
intensity
radiating
uniformly
in
all
directions
[
syn
:
lm
]
2:
a
cavity
or
passage
in
a
tubular
organ
; "
the
lumen
of
the
intestine
"
[
also
:
lumina
(
pl
)]
DICT.TW
About DICT.TW
•
Contact Webmaster
•
Index
•
Links
DICT.TW Dictionary Taiwan