Usage examples (23)

• From this grove we travelled as before in single file over an immense expanse of lava of the kind called pahoehoe, or satin rock, to distinguish it from the a-a, or...
• Nothing but black lava'mostly solidified ropy pahoehoe, with a sprinkling of dangerously sharp a'a.
• With a good-natured singsong having something to do with vultures and fudge, the alien followed the two men across the glowing pahoehoe.
• Professor Alexander, of Honolulu, supposes them to be from the beginning less fluid than pahoehoe, and that they advance very slowly, being full of solid points, or...