集しゅう束そく

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

focusing; convergence

Physics term for light, waves, or beams converging to a point. Antonym: 発散 (divergence).

Antonyms: 発散

• レンズで光ひかりを集しゅう束そくさせる。

  Focus light with a lens.

• レーザー光こう線せんは一いっ点てんに集しゅう束そくする。

  The laser beam converges to a single point.

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

gathering and bundling

General use for collecting and tying things together, such as papers, sticks, or fibers. Less common than the physics sense.

• 古ふる新しん聞ぶんを集しゅう束そくして資し源げんごみに出だす。

  Gather and bundle old newspapers for recycling.