拡かく散さん

か

く

さ

ん

Common wordJLPTN1Freq.FrequencyTop 5,000

拡散する · noun or participle which takes 'suru'

Meanings

General use for things spreading out widely: information, rumors, substances, etc. Often used with する as an intransitive verb.

Scientific/technical term for the physical process of diffusion, e.g., of light, gases, or particles.

〈事こと〉が拡かく散さんするfor something (information, a rumor) to spread
その噂うわさはあっという間まにSNSで拡かく散さんした。
The rumor spread instantly on social media.
光ひかりが拡かく散さんするfor light to diffuse or scatter
曇くもりガラスを通とおすと光ひかりが拡かく散さんする。
Light diffuses when it passes through frosted glass.
〈事こと〉の拡かく散さんを防ふせぐto prevent the spread of something
ウイルスの拡かく散さんを防ふせぐためにマスクを着ちゃく用ようした。
I wore a mask to prevent the spread of the virus.
〈物もの〉を拡かく散さんさせるto cause something to spread or disperse
工こう場じょうから出でる煙けむりが周しゅう辺へんに拡かく散さんさせられた。
Smoke from the factory was dispersed into the surrounding area.

伝でん播ぱ sense 1
伝播 stresses the transmission or propagation of something (waves, culture, disease), while 拡散 emphasizes scattering outward in many directions.
普ふ及きゅうN2sense 1
普及 means widespread adoption or popularization (e.g. of technology), whereas 拡散 refers to physical or informational dispersal without implying acceptance.
分ぶん散さんN1
拡散 emphasizes spreading out widely and often uncontrollably (like gas or rumors), while 分散 focuses on breaking something into separate parts and distributing them.
散さん布ぷ
拡散 emphasizes diffusion in all directions (gases, rumors, light), while 散布 focuses on the deliberate act of scattering or applying something over an area.

Show 4 more

発はっ散さんN1
拡散 focuses on things spreading out and becoming thinner or wider, whereas 発散 focuses on something being emitted or let out from a source.
浸しん透とう
拡散 emphasizes an idea or rumor spreading outward and dispersing widely, whereas 浸透 emphasizes it soaking deeply and taking root within a group.
広ひろまり
拡散 is used for diffusion in a more physical or scientific sense (particles, rumors scattering outward), while 広まり is the general word for spread of information or trends.
広ひろがるN3
拡散する has a scientific or technical nuance of diffusing or scattering, while 広がる is the everyday word for spreading.

収しゅう束そく
収束 means to converge or settle down, the opposite of 拡散's spreading outward, and is common in both everyday and scientific contexts.
集しゅう中ちゅうN3sense 1
集中 means to concentrate or gather in one place, contrasting with 拡散's sense of scattering widely.
凝ぎょう縮しゅく
拡散 means to spread out or diffuse, the opposite of 凝縮's sense of compressing something into a concentrated form.

分ぶん散さんN1sense 1
分散 usually means being distributed or dispersed into separate parts (e.g. risk, data), while 拡散 means spreading out from a source into a wider area.

Show 5 more

Compound of 拡 (broaden, expand) and 散 (scatter, disperse). The word is a Sino-Japanese term (kango) formed from these kanji meanings.