爛漫

らんまん

glorious, luxuriant, splendid, in full bloom, in full glory

春爛漫

はるらんまん

spring in full bloom, spring at its height

桜花爛漫

おうからんまん

riot of cherry blossoms

爛爛

らんらん

glaring, flaming, fiery, blazing

天真

てんしん

naivete

爛

らん

brilliant, bright

漫漫

まんまん

vast, boundless

天体写真

てんたいしゃしん

photograph of an astral body

天真流露

てんしんりゅうろ

manifestation (revelation) of one's natural sincerity (naivete)

爛熟

らんじゅく

overripeness, full maturity (of), overmaturity

爛柯

go (board game)

燦爛

さんらん

brilliant, bright, radiant

爛々

glaring; flaming; fiery; blazing

絢爛

けんらん

gorgeous, brilliant, dazzling, gaudy, flowery (speech)

糜爛

びらん

inflammation, erosion of skin or mucous membranes

爛れ

sore; inflammation; ulceration

爛死

らんし

burning to death

写真天頂筒

しゃしんてんちょうとう

photographic zenith tube

天体写真術

てんたいしゃしんじゅつ

astrophotography