New putty, of the type that hardens rapidly.
The bandages hardened rapidly, provided an exact fit and could be windowed or bivalved (cut to provide strain relief) easily.
Outside the house a dull surface formed, a globe rapidly hardening around them.
Butterfly eggs are fixed to a leaf with a special glue which hardens rapidly.
Gryphon took one of her hands and gently placed it over that part of his body which was rapidly hardening.
This liquid rapidly hardens on contact with air, producing a sticky substance that traps ants and other termites.
Both he and Amys had learned to soften the surface mud just enough to accept the imprint of the stylus, so that it hardened rapidly.
Our hunting story was taking form, the fluid confusion of the moment rapidly hardening into something sturdier and sharper than it really was.
Opinion rapidly hardened throughout the Thirteen Colonies in defiance.