lime sulfur: meaning, definition, pronunciation and examples

C2
UK/ˌlaɪm ˈsʌl.fə/US/ˌlaɪm ˈsʌl.fɚ/

Technical, Horticultural

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Quick answer

What does “lime sulfur” mean?

A chemical compound consisting of calcium polysulfides, primarily used as a fungicide and pesticide in horticulture.

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Pronunciation

Definition

Meaning and Definition

A chemical compound consisting of calcium polysulfides, primarily used as a fungicide and pesticide in horticulture.

A broad-spectrum horticultural spray used to control fungal diseases, mites, and insects; historically also used in veterinary medicine and leather processing.

Dialectal Variation

British vs American Usage

Differences

British English spelling: 'lime sulphur'; American English spelling: 'lime sulfur'.

Connotations

The term has exclusively technical/horticultural connotations in both variants.

Frequency

Equally low-frequency and specialized in both variants, used almost exclusively in gardening, agriculture, and historical contexts.

Grammar

How to Use “lime sulfur” in a Sentence

[SUBJ: Gardener] + apply/spray + [OBJ: lime sulphur] + on/to [TARGET: plant/tree][SUBJ: Lime sulphur] + control/kill + [OBJ: fungus/mite]

Vocabulary

Collocations

strong
apply lime sulphurspray lime sulphurdormant spray
medium
lime sulphur solutionlime sulphur treatmentlime sulphur fungicide
weak
strong lime sulphurorganic lime sulphurwinter lime sulphur

Examples

Examples of “lime sulfur” in a Sentence

adjective

British English

  • The lime-sulphur mixture was prepared fresh.
  • A lime-sulphur treatment is recommended.

American English

  • The lime-sulfur solution must be diluted.
  • Follow the lime-sulfur application schedule.

Usage

Meaning in Context

Business

Used in the horticultural supply and organic farming industries.

Academic

Found in botany, plant pathology, and agricultural chemistry texts.

Everyday

Virtually unused outside of serious gardening circles.

Technical

Standard term in integrated pest management (IPM), arboriculture, and viticulture.

Vocabulary

Synonyms of “lime sulfur”

Strong

lime-sulfur wash

Neutral

calcium polysulfide

Weak

horticultural spraydormant spray

Vocabulary

Antonyms of “lime sulfur”

fungal stimulantmite attractant

Watch out

Common Mistakes When Using “lime sulfur”

  • Incorrectly treating it as two separate words ('lime and sulphur').
  • Confusing it with 'hydrated lime' or 'flowers of sulphur'.
  • Misspelling 'sulfur/sulphur'.
  • Using it as a verb (e.g., 'I will lime sulphur the tree').

FAQ

Frequently Asked Questions

It is permitted in many organic farming regimens because it is derived from natural minerals (limestone and sulfur), though its use is often restricted due to potency.

Yes, if used at the wrong strength or during active growth (especially in hot weather), it can cause phytotoxicity, damaging leaves and fruit.

It has a very strong, pungent odor of rotten eggs due to the sulfur compounds, which is one of its least pleasant characteristics.

No, they are different. Bordeaux mixture is copper sulfate and lime (calcium hydroxide), whereas lime sulphur is calcium polysulfides. Both are fungicides.

A chemical compound consisting of calcium polysulfides, primarily used as a fungicide and pesticide in horticulture.

Lime sulfur is usually technical, horticultural in register.

Lime sulfur: in British English it is pronounced /ˌlaɪm ˈsʌl.fə/, and in American English it is pronounced /ˌlaɪm ˈsʌl.fɚ/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: 'LIME' as in limestone (calcium) + 'SULPHUR' (the yellow element) = a yellow spray made from boiling the two together.

Conceptual Metaphor

PROTECTION IS A CLEANSING WASH (e.g., 'The lime sulphur washed away the mildew').

Practice

Quiz

Fill in the gap
Before bud break in spring, orchardists often apply a spray to control overwintering fungal spores.
Multiple Choice

What is the primary use of lime sulphur?