span
B2Neutral to formal; common in technical, engineering, historical, and descriptive contexts.
Definition
Meaning
The full extent from one limit to another, either in space (distance) or time (duration).
Can refer to a structure connecting two points (bridge), a period of attention or concentration, or the measurement between wingtips.
Linguistics
Semantic Notes
Implies measurement between two defined points. As a verb, it means to extend across or cover that distance.
Dialectal Variation
British vs American Usage
Differences
Minimal. 'Span' is used identically in core meanings. Slight preference in UK English for 'life span' versus US 'lifespan' (one word).
Connotations
Identical.
Frequency
Slightly higher frequency in US engineering/technical registers.
Vocabulary
Collocations
Grammar
Valency Patterns
Noun: the span of [TIME/OBJECT]Verb: [BRIDGE/ROAD] spans [RIVER/VALLEY]Verb: [PERIOD/EVENT] spans [NUMBER] yearsVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “span the spectrum”
- “span the globe”
Usage
Context Usage
Business
Project timeline span; management span of control.
Academic
The study spans three decades. The arch's span is 50 metres.
Everyday
My attention span is terrible. We visited over a span of two weeks.
Technical
Calculating the load-bearing capacity of the main span.
Examples
By Part of Speech
verb
British English
- The new footbridge will span the River Ouse.
- Her career spanned four different decades.
American English
- The highway spans the entire state of Nevada.
- His research spans several scientific disciplines.
adverb
British English
- (Not used as an adverb)
American English
- (Not used as an adverb)
adjective
British English
- It was a span-roofed building.
- (Rare as adjective; usually 'spanned')
American English
- (Rare as adjective; usually part of compound nouns like 'span-width')
Examples
By CEFR Level
- The bridge has a long span.
- The bird has a wide wing span.
- We stayed there for a short span of two days.
- Can you measure the span of the table?
- The film's narrative spans three generations of the same family.
- The engineer calculated the maximum load for the central span.
- His influence spans disparate fields, from neuroscience to contemporary art.
- The negotiations spanned the entirety of the fiscal year, culminating in a last-minute agreement.
Learning
Memory Aids
Mnemonic
Think of a SPANiel dog with long ears that SPAN the distance to the floor.
Conceptual Metaphor
TIME IS SPACE (A span of time). CONNECTION IS A BRIDGE (To span a disagreement).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating as 'спан' (nonsense). Correct equivalents: 'пролет' (bridge), 'промежуток' (time), 'размах' (wings).
Common Mistakes
- Using 'span' for a single point in time (incorrect: *at that span). Confusing 'span' (measurement) with 'spin' (rotation).
Practice
Quiz
In which context is 'span' LEAST appropriate?
FAQ
Frequently Asked Questions
Both 'life span' and 'lifespan' are acceptable, with 'lifespan' being more common as a single word in modern usage.
Yes, e.g., 'Her interests span from philosophy to coding.'
'Span' emphasizes the measured length between two points. 'Period' emphasizes the block of time itself, not necessarily its measured endpoints.
Yes, etymologically. A spanner is a tool for 'spanning' or gripping the span (distance) across a nut.