chalicosis chal·i·co·sis (kāl’ĭ-kō’sĭs)
Pneumoconiosis caused by the inhalation of dust, occurring especially in stone cutters.
a horselike fossil of the genus Chalicotherium and related genera, common in Europe, Asia, and Africa during the Tertiary Period, having a sloping back and three-toed, clawed feet. noun any of various very large extinct Tertiary horselike perissodactyl mammals that had clawed feet but otherwise resembled titanotheres chalicothere (kāl’ĭ-kə-thîr’) Any of various large extinct mammals […]
- Chalk and talk
noun (sometimes derogatory) a formal method of teaching, in which the focal points are the blackboard and the teacher’s voice, as contrasted with more informal child-centred activities
a soft, white, powdery limestone consisting chiefly of fossil shells of foraminifers. a prepared piece of chalk or chalklike substance for marking, as a blackboard crayon. a mark made with chalk. a score or tally. to mark or write with chalk. to rub over or whiten with chalk. to treat or mix with chalk: to […]
a chalked string for making a straight line on a large surface, as a wall, by holding the string taut against the surface and snapping it to transfer the chalk. the line so made.