different between melt vs eustasy

English

Etymology

From Middle English melten, from Old English meltan (“to consume by fire, melt, burn up; dissolve, digest”) and Old English mieltan (“to melt; digest; refine, purge; exhaust”), from Proto-Germanic *meltan? (“to dissolve, melt”) and Proto-Germanic *maltijan? (“to dissolve, melt”), both from Proto-Indo-European *(s)meld- (“melt”). Cognate with Icelandic melta (“to melt, digest”).

Pronunciation

• IPA^(key): /m?lt/
• Rhymes: -?lt

Noun

melt (countable and uncountable, plural melts)

1. Molten material, the product of melting.
2. The transition of matter from a solid state to a liquid state.
3. The springtime snow runoff in mountain regions.
4. A melt sandwich.
5. A wax-based substance for use in an oil burner as an alternative to mixing oils and water.
6. (Britain, slang, derogatory) An idiot.

Derived terms

• snowmelt, snow melt

Translations

Verb

melt (third-person singular simple present melts, present participle melting, simple past melted or (rare) molt, past participle melted or molten)

1. (ergative) To change (or to be changed) from a solid state to a liquid state, usually by a gradual heat.

   I melted butter to make a cake.

   When the weather is warm, the snowman will disappear; he will melt.

2. (intransitive, figuratively) To dissolve, disperse, vanish.

   His troubles melted away.
3. (transitive, figuratively) To soften, as by a warming or kindly influence; to relax; to render gentle or susceptible to mild influences; sometimes, in a bad sense, to take away the firmness of; to weaken.
   • 1687, John Dryden, A Song for Cecilia's Day

     For pity melts the mind to love.

4. (intransitive) To be discouraged.
5. (intransitive, figuratively) To be emotionally softened or touched.

   She melted when she saw the romantic message in the Valentine's Day card.

6. (intransitive, colloquial) To be very hot and sweat profusely.

Synonyms

• (change from solid to liquid): to found, to thaw

Derived terms

Translations

English

Etymology

A back-formation from eustatic (borrowed from German eustatische (“eustatic”), from Ancient Greek ?? (eû, “well, good”) + ?????? (stásis, “standing”)) +? -y.

Pronunciation

• (Received Pronunciation) IPA^(key): /?ju?st?si/
• (Received Pronunciation) IPA^(key): /?just?si/
• Hyphenation: eu?sta?sy

Noun

eustasy (plural eustasies)

1. (geology, oceanography) A worldwide change in sea level, especially one caused by melting ice or tectonic activity. [from 1940s]

Alternative forms

• eustacy

Derived terms

• glacioeustasy

Related terms

• eustatic
• eustatism

Translations

References

Further reading

• sea level on Wikipedia.Wikipedia