This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

Reading

Kana: けい
Romaji: kei
Kana
Romaji

Definitions

1

system; lineage; group

2

corollary

(Mathematics)
3

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

(Geology, etc. term)
4

(taxonomical) series

Kanji

Reading: ケイ
Meanings: lineage, system

Example Sentences

(かれ)日系人(にっけいじん)だ。
➥He is of Japanese ancestry.
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電気(でんき)系統(けいとう)欠点(けってん)があります。
➥There is a fault in the electrical system.
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(かれ)は、音楽的(おんがくてき)家系(かけい)(しゅつ)である。
➥He is descended from a musical family.
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彼女(かのじょ)はアメリカ(けい)である。
➥She is of American parentage.
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銀河系(ぎんがけい)には無数(むすう)(ほし)がある。
➥There are innumerable stars in the galaxy.
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徳川家(とくがわか)系図(けいず)列挙(れっきょ)しなさい。
➥Recite the names of the members of the Tokugawa clan.
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