how to sign the word achromatised

To sign the word “achromatised,” use one hand to make a fist with all fingers extended except for the index finger. Touch the index finger to the tip of your nose and then bring the finger away from your face while opening it. This represents the “A” in “achromatised.” Then, use both hands to make a “C” shape with the thumb and index finger. Place the “C” shapes on each side of your face near your temples and twist them forward, representing the “chroma” in “achromatised.” Finally, use both hands to make a flat “O” shape with all fingers extended and touch your chest, representing the “ised” in “achromatised.”