流

Buddhism

transient

tropopause

lower classes

all things being in flux through the endless circle of birth, death, and rebirth; the circle of transmigration

Engineering

surge current

laminar flow

Colloquial

Shinto-ryu (school of kenjutsu)

river rafting

mutual love; the love one shows to another person being returned

Urasenke school of tea ceremony

polar front jet stream

rectifier tube; diode

Shorenin school of calligraphy; Sonen school; Oie school

Physics

superfluidity

coastal current; littoral current; alongshore current

Yoshin-ryu; martial art tradition founded in the Edo period

Organization name

Yoshin-ryu (school of martial arts)

taking delight in elegant pursuits; being absorbed in such elegant cultural pursuits as poetry, painting and calligraphy

natural abortion; spontaneous abortion; miscarriage

overflow

brain drain; outflow of talent

Martial arts

Muso Jikiden Eishin-ryu (iaido style)

Medicine

conjunctivitis; pink eye; epidemic keratoconjunctivitis

direct current power transmission