集散

しゅうさん

collection (gathering) and distribution

離合集散

りごうしゅうさん

alliance and rupture

雲集霧散

うんしゅうむさん

(many things) gathering like clouds and vanishing like mist, swarming and scattering

離散集合

りさんしゅうごう

meeting and parting, gathering and scattering, alignment and realignment, alternating alliance and rupture, alternating cooperation and defection

集散花序

しゅうさんかじょ

cymose inflorescence (any determinate simple inflorescence), cyme

現地解散

げんちかいさん

dispersing after the event (i.e. making one's own way home)

地縁集団

ちえんしゅうだん

social group with common ties to a region

集団墓地

しゅうだんぼち

mass grave

現地集合

げんちしゅうごう

meeting at the destination (as opposed to travelling there as a group)

クロマチンの凝集と分散

クロマチンのぎょーしゅーとぶんさん

chromatin assembly and disassembly

人口集中地区

じんこうしゅうちゅうちく

densely inhabited district

散

ばら バラ

bulk storage, loose articles

集

しゅう

collection, compilation

散り散り

ちりぢり

scattered, separated, dispersed

散財

さんざい

expense, waste of money, extravagance

散々

さんざん

thoroughly, completely, utterly

散村

さんそん

dispersed rural settlement

散炭

ばらずみ

charcoal made from thin branches

散薬

さんやく

powdered medicine