the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of hea

the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of hea

a quantity defined by magnitude alone and no direction

a compass of numbers with magnitude and direction that sets the place of one point in space beside another

a sentimental longing or wistful affection for the past, typically for a period or place with happy personal associations.

a linear measuring instrument consisting of a scaled rule with a projecting arm at one end, to which is attached a sliding vernier with a projecting arm that forms a jaw with the other projecting arm.

performed or occurring as a result of a sudden inner impulse or inclination and without premeditation or external stimulus.

In the classroom's echo my heart finds its beat teaching is not just my job it is my soul's calling