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open dating

B2
UK/ˌəʊ.pən ˈdeɪ.tɪŋ/US/ˌoʊ.pən ˈdeɪ.t̬ɪŋ/

Technical / Consumer Affairs / Retail

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Definition

Meaning

A system of printing a date on food packages to indicate when the product should be sold by or used by for best quality.

A method of product freshness labeling (typically 'sell by', 'best by', 'use by') that provides consumers with objective temporal information, as opposed to 'closed dating' which uses codes intended only for retailers.

Linguistics

Semantic Notes

This is a specific compound noun term, not a phrasal verb. It's a fixed phrase in the domain of food labeling and packaging. The 'open' refers to the date being legible and understandable to the public.

Dialectal Variation

British vs American Usage

Differences

The term is used in both varieties, but the specific format and regulations of the dates (e.g., DD/MM/YYYY vs. MM/DD/YYYY) differ. The UK more commonly uses 'use by' for safety and 'best before' for quality. The US uses 'sell by', 'best by', and 'use by' with varying state-level regulations.

Connotations

Neutral technical term in both. Connotes consumer transparency and food safety standards.

Frequency

Slightly more frequent in American English due to greater public discussion of food labeling laws. In the UK, the equivalent terms 'use by date' and 'best before date' are more common in everyday speech than the umbrella term 'open dating'.

Vocabulary

Collocations

strong
food packagingsell-by datebest-by dateuse-by dateproduct freshnessconsumer information
medium
require open datingmandatory open datinglabel with open datingsystem of open dating
weak
clear open datingfederal open datingread the open dating

Grammar

Valency Patterns

[Product] + has/uses + open datingOpen dating + on + [packaging]The + introduction/use + of + open dating

Vocabulary

Synonyms

Strong

clear date labeling

Neutral

date markingfreshness datingexpiration labeling

Weak

visible datingpublic date coding

Vocabulary

Antonyms

closed datingcoded datingpack date coding

Phrases

Idioms & Phrases

  • “[None directly associated with this technical term]”

Usage

Context Usage

Business

Used in retail, manufacturing, and supply chain contexts regarding compliance and inventory management. 'The new regulations will require open dating on all dairy products.'

Academic

Appears in studies of consumer behavior, food policy, and waste management. 'The research examined the impact of open dating on household food waste.'

Everyday

Used by consumers when reading packaging. 'Always check the open dating on the milk before you buy it.'

Technical

Precise term in food science, regulation, and packaging engineering documents. 'Jarred products often have a longer shelf life even with open dating.'

Examples

By Part of Speech

verb

British English

  • The manufacturer date-codes the product.

American English

  • The company marks the product with a clear date.

adverb

British English

  • [Not standard for this term]

American English

  • [Not standard for this term]

adjective

British English

  • It's an open-dated product.

American English

  • Look for an open-date label.

Examples

By CEFR Level

A2
  • Look for the date on the food.
B1
  • The 'use by' date is a type of open dating.
B2
  • Many consumers rely on open dating to decide if a product is fresh.

Learning

Memory Aids

Mnemonic

Think of an 'OPEN' book: the information is clear for everyone to read. OPEN DATING means the date is clearly written for the public to see.

Conceptual Metaphor

TRANSPARENCY IS CLARITY / TIME IS A CONSUMABLE RESOURCE.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Avoid a direct translation like 'открытые свидания' (which implies romantic meetings). The correct conceptual translation is 'маркировка срока годности' or 'открытая датировка' in specialized contexts.

Common Mistakes

  • Using it as a verb (e.g., 'They open-date the yoghurt'). While understood, the standard formulation is 'They put open dating on the yoghurt' or 'The yoghurt has open dating'.
  • Confusing it with 'open relationship' or general dating.

Practice

Quiz

Fill in the gap
To reduce food waste, many countries are now making mandatory on perishable goods.
Multiple Choice

What is the primary purpose of 'open dating'?

FAQ

Frequently Asked Questions

Not exactly. 'Open dating' is the system of printing readable dates. An 'expiration date' or 'use by date' is one specific type of date within that system.

No. Regulations vary by country and product type. Shelf-stable foods like canned goods often don't require it, while perishables like meat and dairy typically do.

'Closed dating' or 'coded dating', where the date is in a code only decipherable by the manufacturer or retailer, not the consumer.

Yes. 'Best before', 'sell by', and 'use by' are all common formats of open dating, each giving different guidance on quality or safety.