deliquesce

Low
UK/ˌdɛlɪˈkwɛs/US/ˌdɛləˈkwɛs/

Formal, Literary, Technical/Scientific

My Flashcards

Definition

Meaning

To melt away or dissolve, typically becoming liquid by absorbing moisture from the air.

To melt away, disappear, or become liquid, often as a chemical process or metaphorically to describe something gradually losing form or structure.

Linguistics

Semantic Notes

Primarily intransitive verb. In scientific contexts, refers specifically to salts absorbing atmospheric moisture and dissolving into a solution. In literary use, describes gradual dissipation or disintegration of form, will, or substance.

Dialectal Variation

British vs American Usage

Differences

No significant differences in core meaning. Slightly higher usage in British technical writing (chemistry, mycology).

Connotations

Both share formal/scientific connotation. Literary use may be slightly more common in British English.

Frequency

Very low frequency in both varieties; perhaps marginally more likely in British academic texts.

Vocabulary

Collocations

strong
compound began tosalt willsubstance wouldice crystals
medium
tend toslowlygraduallyin humid air
weak
completelyultimatelyformstructure

Grammar

Valency Patterns

Subject + deliquesce (+ Prepositional Phrase: in/into/on exposure to)

Vocabulary

Synonyms

Strong

dissolve (specifically by hygroscopy)liquefy

Neutral

dissolveliquefymelt

Weak

dissipatedisintegratefade away

Vocabulary

Antonyms

solidifycrystallizecoalesceharden

Phrases

Idioms & Phrases

  • None specific to this word; it may appear in metaphorical constructions like 'deliquesce into oblivion'.

Usage

Context Usage

Business

Virtually never used.

Academic

Used in chemistry, materials science, and literary criticism to describe dissolution.

Everyday

Extremely rare; would sound highly formal or pretentious.

Technical

Precise term in chemistry for solids (especially salts) absorbing moisture from air until dissolving.

Examples

By Part of Speech

verb

British English

  • The ammonium nitrate left in the lab began to deliquesce in the damp weather.
  • His resolve seemed to deliquesce as the argument dragged on.

American English

  • Certain salts will deliquesce if left uncovered in a humid climate.
  • The old manuscript's ink had started to deliquesce into illegible stains.

adverb

British English

  • The substance reacted deliquescently upon contact with the humid air.

American English

  • The crystals faded deliquescently into a briny solution.

adjective

British English

  • The deliquescent nature of the compound required storage in a desiccator.

American English

  • They handled the deliquescent material with great care to avoid moisture exposure.

Examples

By CEFR Level

B1
  • The sugar will deliquesce if the jar is not closed properly.
  • Salt can deliquesce on a very humid day.
B2
  • Certain chemical compounds deliquesce when exposed to moist air, forming a concentrated solution.
  • In the tropical humidity, the neglected statue seemed to deliquesce over the decades.
C1
  • The poet described the protagonist's willpower as beginning to deliquesce under sustained psychological pressure.
  • The researcher noted that the hygroscopic polymer would rapidly deliquesce above 80% relative humidity, compromising its structural integrity.

Learning

Memory Aids

Mnemonic

Think: 'DE-LIQUESCENT' → sounds like 'become liquid'. Imagine a solid becoming a puddle (LIQUID) in the DEW.

Conceptual Metaphor

SOLIDITY IS STABILITY / LIQUIDITY IS DISSOLUTION OR LOSS OF FORM. Used metaphorically for loss of willpower, structure, or integrity.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Do not confuse with 'разжижать' (to liquefy generally). Deliquesce is specifically intransitive and often implies absorption of ambient moisture.
  • Not synonymous with 'таять' (to melt from heat). It is a specific physicochemical or literary process.
  • Avoid using for simple disappearance; it implies a physical change of state.

Common Mistakes

  • Using it transitively (e.g., 'The heat deliquesced the ice' – incorrect).
  • Confusing with 'effloresce' (to lose water of crystallization to air).
  • Using in casual contexts where 'melt' or 'dissolve' would suffice.

Practice

Quiz

Fill in the gap
In high humidity, calcium chloride tends to , forming a liquid solution.
Multiple Choice

In which context is 'deliquesce' most accurately used?

FAQ

Frequently Asked Questions

Primarily, yes. Its core, literal meaning is scientific (chemistry, mycology). However, it is used metaphorically in literary or formal writing to describe something melting away or losing form.

All deliquescing is dissolving, but not all dissolving is deliquescing. 'Deliquesce' is intransitive and specifically means to dissolve by absorbing moisture from the air. 'Dissolve' is more general and can be transitive (dissolve sugar in water) or intransitive.

Yes, but only in a highly figurative, literary sense. For example, 'His anger deliquesced into weary resignation' suggests a gradual melting away of a strong emotion. This usage is rare and formal.

The related nouns are 'deliquescence' (the process) and 'deliquium' (an archaic/literary term for a swoon or liquefaction). The adjective is 'deliquescent'.