1On this side of; on the side nearer to the speaker.
表示“在这一边”，“在离说话者较近这一边”
cisatlantic
Often contrasted with trans- (sense 1) or ultra- (sense 2)
Example sentencesExamples
It is definitely one of the premier geological wonders of cislunar space.
The generally accepted cis-oceanic ideas.
The waters of cis-equatorial seas.
1.1historical On the side nearer to Rome.
〈史〉表示“在离罗马较近这一边”
cisalpine
1.2(of time) closer to the present.
表示“（时间）离现在较近的”
cis-Elizabethan
Example sentencesExamples
I place him confidently not a trans-, but cis-reformation-man.
2Referring or relating to people whose sense of personal identity and gender corresponds with their birth sex.
cisgender
Compare with trans- (sense 3)
cissexism
3usually cis-Chemistry Denoting molecules with cis arrangements of substituents.
〔化〕表示“（分子取代基）顺式的”
cis-1,2-dichloroethene
Example sentencesExamples
Analogous to other fruits, cis-neurosporene, neurosporene, carotene, and cis- carotene were also present among the visible light-absorbing compounds.
This enzyme inserts a cis-double bond at carbon 9.
Full X-ray crystallographic data were published (or deposited) for some of the isomerizing cis- or trans-cinnamic acids.
Trans-fatty acids raise LDL cholesterol levels and lower HDL cholesterol levels relative to cis-unsaturated fatty acids and may increase the risk of diabetes.
Similar effects were seen with 13 - cis-retinoic acid.
Origin
From Latin cis 'on this side of'.
Definition of cis- in US English:
cis-
prefix
1On this side of; on the side nearer to the speaker.
表示“在这一边”，“在离说话者较近这一边”
cisatlantic
Often contrasted with trans- (sense 1) or ultra- (sense 2)
cislunar
Example sentencesExamples
The generally accepted cis-oceanic ideas.
The waters of cis-equatorial seas.
It is definitely one of the premier geological wonders of cislunar space.
1.1historical On the side nearer to Rome.
〈史〉表示“在离罗马较近这一边”
cisalpine
1.2(of time) closer to the present.
表示“（时间）离现在较近的”
cis-Elizabethan
Example sentencesExamples
I place him confidently not a trans-, but cis-reformation-man.
2Referring or relating to people whose sense of personal identity and gender corresponds with their birth sex.
cisgender
Compare with trans- (sense 3)
cissexism
3usually cis-Chemistry Denoting molecules with cis arrangements of substituents.
〔化〕表示“（分子取代基）顺式的”
cis-1,2-dichloroethylene
Example sentencesExamples
Trans-fatty acids raise LDL cholesterol levels and lower HDL cholesterol levels relative to cis-unsaturated fatty acids and may increase the risk of diabetes.
Full X-ray crystallographic data were published (or deposited) for some of the isomerizing cis- or trans-cinnamic acids.
This enzyme inserts a cis-double bond at carbon 9.
Similar effects were seen with 13 - cis-retinoic acid.
Analogous to other fruits, cis-neurosporene, neurosporene, carotene, and cis- carotene were also present among the visible light-absorbing compounds.