v.t. attract and hold to surface (minute particles of mixture or molecules of gas or liquid). adsorbate, n. substance or molecules adsorbed. adsorbent, n. & a. (substance) adsorbing. adsorption, n.
The number of stripes changed frequently until around 1800. Red, white, and blue became the colours of liberty and an inspiration for other revolutionary flags around the world. Effective date: 19 February 1937.