noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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Pronunciation
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UK:/mɛtəˈmɔːfɪz(ə)m/
1
noun
Meaning 1
The process by which rocks are changed into other forms by the application of heat and/or pressure.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The process by which insects develop through life stages, for example, those of embryo, larva, pupa and imago. The life cycle of the butterfly is one of complete metamorphosis, in which the embryo grows within the egg, hatches into the larval stage caterpillar, enters the pupal stage within its chrysalis, and finally emerges as an adult butterfly imago.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Any dramatic change from one thing to another
Definition source: English Wiktionary via Wiktextract
Usage: broadly, countable, uncountable
Examples
December 28 2015, Barrett Pall writing in the Huffington Post, 11 Reasons Why You Shouldn’t Be Happy Ultimately, being happy means that even when things aren’t perfect you still understand how blessed you truly are. You remain in a constant state of uncomfortable change, evolution and metamorphism because you know that this is a process that requires care and love.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: geological process, geologic process