xylem

As nouns the difference between ylem and xylem

is that ylem is in the Big Bang theory, the hot and dense plasma of which the cosmos consisted at the time of recombination in an early stage of its expansion and cooling, when the first atoms formed and photons decoupled, the source of the cosmic background radiation while xylem is a vascular tissue in land plants primarily responsible for the distribution of water and minerals taken up by the roots; also the primary component of wood.

As a noun xylem

is a vascular tissue in land plants primarily responsible for the distribution of water and minerals taken up by the roots; also the primary component of wood.

As an abbreviation pH is

the negative of the logarithm to the base 10 of the concentration of hydrogen ions, measured in moles per liter; a measure of acidity or alkalinity of a substance, which takes numerical values from 0 (maximum acidity) through 7 (neutral) to 14 (maximum alkalinity).

In botany terms the difference between xylem and procambium

is that xylem is a vascular tissue in land plants primarily responsible for the distribution of water and minerals taken up by the roots; also the primary component of wood while procambium is a meristem that lies just inside the protoderm and develops into primary xylem and primary phloem.

As a noun xylem

is a vascular tissue in land plants primarily responsible for the distribution of water and minerals taken up by the roots; also the primary component of wood.

As an adjective xylemlike is

resembling or characteristic of a xylem.

As a noun xylem

is xylem.

As an adjective amphiphloic is

(botany) of stems in which the phloem is both external and internal to the xylem.

As a noun xylem

is xylem.

As an adjective ectophloic is

(botany) of stems in which the phloem is external to the xylem.