Solid

ατόφιος

atófios

(lacking holes or hollows)

γερός

gerós

(strong, unyielding (as of foundations etc))

στερεός

stereós

(in the solid state)

στερεός

stereós

(strong, unyielding (as of foundations etc))

συμπαγής

sympagís

(lacking holes or hollows)

στερεό

stereó

(chemistry: fundamental state of matter)