請願: petition / 誓願: vow

請願: to petition / 誓願: to vow

成文化: to codify, to put something into writing (said particularly of rules or decisions)

成文化: codification, the act of putting something into writing (said particularly of rules or decisions)

(mechanics) velocity of flow

Kyūjitai form of 翼竜 (“winged dragon; pterosaur”)

Kyūjitai form of 魚竜 (“ichthyosaur”)

(literally) a winged dragon / a pterosaur

(callligraphy and typography) Kantei-ryū, a type of 江戸文字(えどもじ) (Edo moji) usually associated with kabuki signage and characterized by thick, flowing, and rounded strokes

Synonym of レプトン (reputon, “lepton”) (elementary particle)