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洞窟
どうくつ
Common word
Nouns
cave; cavern; grotto
空洞
くうどう
Common word
Nouns
cavity; hollow; cavern · hollow; cavernous
洞察
どうさつ
Common word
N1
Nouns
discernment; insight
鍾乳洞
しょうにゅうどう
Common word
Nouns
limestone cave; limestone cavern
風洞
ふうどう
Nouns
wind tunnel
冠静脈洞
かんじょうみゃくどう
Nouns
coronary sinus
ショウドウツバメ
しょうどうつばめ
Nouns
sand martin; bank swallow
晶洞
しょうどう
Nouns
druse; crystal-lined cavity
晶洞石
しょうどうせき
Nouns
geode
樹洞
じゅどう
Nouns
tree hollow; hollow in a tree
洞不全症候群
どうふぜんしょうこうぐん
Nouns
sick sinus syndrome; sinus node dysfunction
洞性不整脈
どうせいふせいみゃく
Nouns
sinus arrhythmia; irregular heartbeat
洞房
どうぼう
Other
sinoatrial · inner bedroom; brothel
洞毛
どうもう
Nouns
whiskers; vibrissae
洞簫
どうしょう
Nouns
dongxiao; Chinese vertical bamboo flute
洞結節
どうけっせつ
Nouns
sinus node; sinoatrial node
洞見
どうけん
Nouns
insight; discernment
洞角
どうかく
Nouns
hollow horn; cavicorn
洞調律
どうちょうりつ
Nouns
sinus rhythm
洞門
どうもん
Nouns
cave entrance; tunnel
海食洞
かいしょくどう
Nouns
sea cave; marine cave
溶岩洞
ようがんどう
Nouns
lava tube
石灰洞
せっかいどう
Nouns
limestone cave
窩洞
かどう
Nouns
dental cavity; cavity (from caries)
雪洞
せつどう
Nouns
snow cave; snow hole
静脈洞
じょうみゃくどう
Nouns
venous sinus · sinus venosus
類洞
るいどう
Nouns
sinusoid
