cambium

As a noun cambium

is (botany) a layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.

As an adjective undefined is

lacking a definition or value.

In botany terms the difference between pericycle and cambium

is that pericycle is : In a plant root, the cylinder of plant tissue between the endodermis and phloem while cambium is a layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.

As nouns the difference between pith and cambium

is that pith is the soft, spongy substance in the center of the stems of many plants and trees while cambium is a layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.

As a verb pith

is to extract the pith from (a plant stem or tree).

In botany terms the difference between cambium and meristem

is that cambium is a layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems while meristem is the plant tissue composed of totipotent cells that allows plant growth.