Chert is a 5 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 10 points.
You can make 65 anagrams from letters in chert (cehrt).
First recorded in 1670-80; origin uncertain
Limestones lose their calcium carbonate by solution, leaving only clay with fragments of quartz or chert as impurities.
Examples of this are chert nodules in limestone; flint nodules in chalk; clay-ironstone balls in shale, &c.
As seen on a polished slab of chert from the sand of the Upper Oolite, Tisbury.
chert or flint pebbles for tube-mills are supplied mainly from the extensive deposits on the French and Danish coasts.
Seven specimens were of basalt and one each of chert and porphyry.
chert or flint constitutes grinding pebbles and tube-mill linings, and is also ground up for abrasives.
In the same limestone there are enormous beds of chert, agates, and carnelians.
The chert has sometimes the appearance of calcedony, and is finely striped.
Billy had showed David how to knap flint and chert the week before, after seeing a filmstrip about it in class.
Nodules and layers of "chert" (an impure kind of flint) occur in it, whilst in places it forms a hard rock called "firestone."