12-Letter Words Containing: A,L,S,S,T

• someone who builds or maintains very tall structures

• Any solid with conventional crystalline properties but exhibiting a point group symmetry inconsistent with translational periodicity

• cause to take on a definite and clear shape

• make free from confusion or ambiguity; make clear

• cause to form crystals or assume crystalline form

• assume crystalline form; become crystallized

• small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research

• admit into a hospital

• a substance added to plastics or other materials to make them more pliable

• the act of stylizing; causing to conform to a particular style

• become unstable

• make unstable