Metastasis: It is the property of cancerous cells to spread to distant sites through blood and starting a new tumor formation wherever they get lodged in the body.
Metachrosis: Ability of animals to change the intensity of colour.
Metamorphosis: The process of transformation from an immature form to an adult form in two or more distinct stages.
Metagenesis: Phenomenon in which polyp form of a cnidarian alternates asexually with medusoid form