(chemistry) hydrophilicity

(Buddhism) the Heart Sutra, Prajñāpāramitā Hṛdaya Sūtra:

polymyxin

(Buddhism) Kyūjitai form of 般若心経 (“Heart Sutra”)

Synonym of モールス符号 (Mōrusu fugō, “Morse code”)

one's true value/worth; what one is really made of

fighting using real metal swords / fighting in earnest

someone imprisoned or prosecuted for what he himself do not consider evil or unjust (e.g. a prisoner of conscience, a prisoner of war, a performer of religious violence)

credit union

a 私撰和歌集 (shisen wakashū, “privately-compiled anthology of poems”) in two volumes, thought to be compiled by Sugawara no Michizane around 893–913 CE, with the poems completely written in 万葉仮名 (man'yōgana)