Sentence:  Molten glare singed their eyelids an angry <WSD>crimson</WSD> ; suffocating air sapped their strength and strained their nerves to snapping ; dust choked their throats and lay like acid in their lungs . 
Meaning of the word marked with <WSD> tags:  (especially of the face) reddened or suffused with or as if with blood from emotion or exertion