潜航艇

せんこうてい

submarine

特殊潜航艇

とくしゅせんこうてい

special purpose submarine (esp. Japanese midget submarines used in WWII)

潜舵

せんだ

hydroplane (submarines), diving plane, diving rudder

潜降

せんこう

diving

潜る

もぐる

to go under, to pass under, to go through, to pass through

潜入

せんにゅう

infiltration, sneaking in

潜水

せんすい

diving, submerging, going underwater

潜時

せんじ

latency

潜伏

せんぷく

concealment, hiding, ambush

対潜

antisubmarine

潜熱

せんねつ

latent heat

潜血

occult blood

原潜

げんせん

nuclear submarine

沈潜

ちんせん

sinking into deep thought, sinking to the depths, contemplation

潜脱

せんだつ

circumvention of the law, evasion of the law (by using legal means to obtain a result normally only obtainable by illegal ones)

潜く

かずく かづく

to be underwater from the neck down, to collect shells, seaweed, etc. by diving under the water

潜在

せんざい

potentiality, dormancy, latency

潜り

くぐり もぐり

diving, diver

潜像

せんぞう

latent image