from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to a mineral that can be cut or severed smoothly by a knife but cannot withstand pulverization.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Capable of being cut.
from the GNU version of the Collaborative International Dictionary of English
- adj. Capable of being cut; specifically (Min.), capable of being severed by the knife with a smooth cut; -- said of minerals.
from The Century Dictionary and Cyclopedia
- Capable of being cut; in mineralogy, noting minerals, as talc, mica, and steatite, which can be cut smoothly by a knife without the particles breaking, crumbling, or flying about; in botany, appearing as if cut into small particles or pieces. Also sective.
Latin sectilis, from sectus, past participle of secāre, to cut; see sek- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin sectilis. (Wiktionary)