系
系

lineage, system

7 strokesFrequency 567JLPT N1Grade 6

On

ケイ

Dictionary

Common Words

系けいNounFreq #1644
1

Noun, used as a suffix

system; lineage; group

Examples
Windows系ＯＳではアドミニストレーターアカウントがルートに相当する。
With Windows OS systems 'administrator account' corresponds to 'root'.
2

Mathematics

corollary

3

Noun, used as a suffix; Geology

system (range of strata that correspond to a particular time period)

4

Noun, used as a suffix

(taxonomical) series

系統けいとうNounFreq #9004
1

system

Examples
システムのこの予測されなかった機能不全は不適切な配線系統によって引き起こされた。
This unexpected malfunctioning of the system was caused by improper wiring.
2

lineage; ancestry; family line

3

group (e.g. of colors) (colours); family (e.g. of languages); party; school (of thought)

4

close (evolutionary) relationship

5

a population sharing a common ancestor (in genetics); strain (e.g. bacterial)

家系かけいNounFreq #10413
1

family lineage

Examples
音楽家の家系のお生まれですか。
Did you come from a musical family?
体系たいけいNounNoun suffixFreq #16343
1

system; organization; organisation; architecture

Examples
彼らはその体系を大変な思索と労力を費やして仕上げた。
They worked out the system with much thought and labor.
体育会系たいいくかいけい～の Adj.Freq #21156
1

sports-minded; sports-oriented

直系ちょっけいNoun～の Adj.Freq #21732
1

direct descent; direct line

系列けいれつFreq #23203
1

Common noun

series; sequence; system; succession

2

Common noun

keiretsu (group); conglomeration of businesses linked by cross-shareholdings

3

Nouns which may take the genitive case particle 'no'

affiliated; subsidiary

生態系せいたいけいNounFreq #23945
1

ecosystem

Examples
地球の生態系はある程度自己修正されるもので、その結果が他の変化によって隠されているという可能性もある。
The earth's ecosystem is to some extent self-correcting, so it is also possible that the effects are being masked by other changes.
系譜けいふNounFreq #26948
1

genealogy; lineage; family tree; pedigree

指揮系統しきけいとうNounFreq #28034
1

chain of command

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