metamorphic

adjective

meta·​mor·​phic ˌme-tə-ˈmȯr-fik 

1

: of or relating to metamorphosis

2

of a rock : of, relating to, or produced by metamorphism

metamorphically

ˌme-tə-ˈmȯr-fi-k(ə-)lē 

adverb

Examples of metamorphic in a Sentence

Recent Examples on the Web

Polymorphic and Metamorphic Malware Polymorphic and metamorphic malware are designed to constantly alter their code structure to evade detection. —John Chirillo, Forbes, 11 Dec. 2024

But the heart of the project is the reception hall, a metamorphic marvel with a statement staircase of Breccia Aurora Blue marble. —Sam Cochran, Architectural Digest, 6 Dec. 2024

In the summers, gray metamorphic rock is exposed along the coast, and fishing boats line the harbors. —Avery Schuyler Nunn, Smithsonian Magazine, 3 Dec. 2024

Lapis is a metamorphic rock that has been treasured for its intense colour since the earliest civilizations. —Sonya Rehman, Forbes, 2 Dec. 2024

Word History

Etymology

meta- + -morphic, after metamorphosis

Note: The geological term was introduced by Charles lyell in Principles of Geology, vol. 3 (London, 1833), p. 375: "We divide the hypogene rocks, then, into the unstratified, or plutonic, and the altered stratified. For these last the term 'metamorphic' (from μετα, trans, and μορφη, form) may be used." See also note at metamorphism.

First Known Use

1816, in the meaning defined at sense 1

Kids Definition

metamorphic

adjective

meta·​mor·​phic ˌmet-ə-ˈmȯr-fik 

: changed into a more compact form by the action of pressure, heat, and water

a metamorphic rock

compare igneous, sedimentary sense 2

Medical Definition

metamorphic

adjective

meta·​mor·​phic ˌmet-ə-ˈmȯr-fik 

: of or relating to metamorphosis