Standard Lemma guide

metamorphism

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.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • 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

Narrower terms: anamorphism, epigenesis, katamorphism

History

Etymology

From metamorphosis + -ism, after French métamorphisme.

Real reading context

metamorphism in complete knowledge articles