Concentrate

凝縮させる

gyōshuku saseru

(increase the strength and diminish the bulk of, as of a liquid or an ore)

凝縮する

gyōshuku suru

(increase the strength and diminish the bulk of, as of a liquid or an ore)

集中させる

shūchū saseru

(bring to, or direct toward, a common center)

集中する

shūchū suru

(approach or meet in a common center)

集中する

shūchū-suru

(focus one's thought or attention)