mercator track: meaning, definition, pronunciation and examples
Low/Very LowTechnical/Formal
Quick answer
What does “mercator track” mean?
A path of constant true bearing plotted on a Mercator projection map.
Audio
Pronunciation
Definition
Meaning and Definition
A path of constant true bearing plotted on a Mercator projection map.
A rhumb line; a navigational course that crosses all meridians at the same angle, appearing as a straight line on a Mercator map but not the shortest distance between two points on a sphere.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; both use the same term. British usage may favour "course" more broadly.
Connotations
Technical precision in navigation.
Frequency
Equally rare and specialised in both dialects.
Grammar
How to Use “mercator track” in a Sentence
The navigator plotted [OBJECT: a mercator track] [PREP PHRASE: to the harbour].The ship maintained [OBJECT: its mercator track] [PREP PHRASE: across the Atlantic].Vocabulary
Collocations
Examples
Examples of “mercator track” in a Sentence
verb
British English
- The officer will mercator-track our voyage on the chart.
American English
- The system automatically mercator-tracks the proposed route.
adverb
British English
- [Not standard]
American English
- [Not standard]
adjective
British English
- The mercator-track route was easier to follow but longer.
American English
- We need a mercator-track calculation for this leg.
Usage
Meaning in Context
Business
Not used.
Academic
Used in geography, geomatics, and navigation textbooks and papers.
Everyday
Virtually never used.
Technical
Used in maritime navigation, aviation (for certain long-range planning), and cartography software.
Vocabulary
Synonyms of “mercator track”
Strong
Neutral
Weak
Vocabulary
Antonyms of “mercator track”
Watch out
Common Mistakes When Using “mercator track”
- Confusing it with the shortest-distance great circle route.
- Using it in non-navigational contexts.
- Capitalising 'track' (it is not a proper noun).
FAQ
Frequently Asked Questions
No. A great circle route is the shortest distance. A mercator track (rhumb line) maintains a constant bearing but is longer except when traveling due north/south or along the equator.
Because it appears as a straight line on a Mercator chart, it is simpler to plot and follow using a constant compass course, which was historically much easier before modern electronic navigation.
Yes, it can be used in aviation navigation, particularly for longer-range flight planning where constant-heading routes might be considered, though great circle routes are now standard for efficiency.
They are synonyms. 'Mercator track' is a more descriptive term focusing on its representation on a specific map projection, while 'rhumb line' (or loxodrome) is the geometric/mathematical term.
A path of constant true bearing plotted on a Mercator projection map.
Mercator track is usually technical/formal in register.
Mercator track: in British English it is pronounced /məːˈkeɪtə ˌtrak/, and in American English it is pronounced /mərˈkeɪt̬ɚ ˌtræk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None specific to this term]”
Learning
Memory Aids
Mnemonic
Mercator MAKES a straight TRACK. Think: 'Map Maker's Straight Path'.
Conceptual Metaphor
A PATH or LINE to be FOLLOWED.
Practice
Quiz
What is the key visual characteristic of a mercator track on a Mercator projection map?