Close in upon and Concentrate

Concentrate and close in upon are semantically related in meet topic. In some cases you can use "Concentrate" instead a verb "Close in upon".

Concentrate verb - To increase the amount of (a substance in a mixture) by removing other substances.

Close in upon and concentrate are semantically related in meet topic. You can use "Close in upon" instead a verb "Concentrate".

Nearby Words: concentrated, concentration, concentrating, concentric, concentrator