After being scratched or bruised, the cap turns yellow.
The dried cap turns blackish-red when potassium hydroxide is applied.
As the fungus ripens, the cap turns black at the edge and liquefies.
With age, the cap becomes depressed, more viscid and turns purplish to reddish-brown.
The work enabled both the cap and sails to turn.
I keep my cap turned low and mind my own business.
In old age the cap turns reddish, or what has been described as 'old rose'.
The newsboy, cap turned backwards, waved his paper in the air, still shouting.
She moved through the pack to stand behind two young guys at the bar in caps turned backwards, Kelly waiting for the bartender to see her.
"It was only a feeble blow and the cap turned it;" he said.