dobsonian telescope: meaning, definition, pronunciation and examples
Low frequencySpecialized/Technical
Quick answer
What does “dobsonian telescope” mean?
A type of reflecting telescope on a simple, low-cost altazimuth mount, designed for amateur astronomy.
Audio
Pronunciation
Definition
Meaning and Definition
A type of reflecting telescope on a simple, low-cost altazimuth mount, designed for amateur astronomy.
A telescope characterized by a large parabolic mirror in an open tube, mounted on a simple, sturdy wooden or metal rocker box that rotates in azimuth and tilts in altitude. The design emphasizes large aperture for deep-sky observing at low cost.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Both dialects use the same term.
Connotations
Identical technical connotations in amateur astronomy communities globally.
Frequency
Equally low-frequency in both dialects, used almost exclusively by astronomy enthusiasts.
Grammar
How to Use “dobsonian telescope” in a Sentence
[Subject] observes [Object] with a Dobsonian telescope.The Dobsonian telescope is mounted on [Location].[Agent] built a Dobsonian telescope for [Purpose].Vocabulary
Collocations
Examples
Examples of “dobsonian telescope” in a Sentence
verb
British English
- You can't 'dobsonian' something; it's not a verb.
American English
- There is no verb form for Dobsonian.
adverb
British English
- The telescope was mounted Dobsonianly. (Extremely rare/non-standard)
American English
- Not used adverbially.
adjective
British English
- He prefers the Dobsonian design for its simplicity.
American English
- The Dobsonian mount is incredibly stable.
Usage
Meaning in Context
Business
Rare, except in the context of retail for astronomy equipment.
Academic
Used in amateur astronomy publications and club discussions.
Everyday
Very rare, unknown to the general public.
Technical
The primary context, used precisely in amateur astronomy to describe a specific design.
Vocabulary
Synonyms of “dobsonian telescope”
Strong
Neutral
Weak
Vocabulary
Antonyms of “dobsonian telescope”
Watch out
Common Mistakes When Using “dobsonian telescope”
- Capitalization error: writing 'dobsonian' instead of 'Dobsonian'.
- Using it to refer to any Newtonian reflector, regardless of mount.
- Pronouncing it as /dɒbˈsɒn.i.ən/ instead of /dɒbˈsəʊ.ni.ən/ (UK).
FAQ
Frequently Asked Questions
Yes, it is often recommended due to its simplicity, low cost per inch of aperture, and ease of use for visual observation.
Basic lunar and planetary imaging is possible, but deep-sky astrophotography is challenging without an equatorial platform due to field rotation.
It is named after John Dobson (1915-2014), who popularized the design in the mid-20th century.
The mount. A Dobsonian specifically uses a simple, sturdy altazimuth rocker box, whereas other Newtonians may be on complex equatorial mounts.
A type of reflecting telescope on a simple, low-cost altazimuth mount, designed for amateur astronomy.
Dobsonian telescope is usually specialized/technical in register.
Dobsonian telescope: in British English it is pronounced /dɒbˈsəʊ.ni.ən ˈtel.ɪ.skəʊp/, and in American English it is pronounced /dɑːbˈsoʊ.ni.ən ˈtel.ə.skoʊp/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No idioms specific to this technical term.]”
Learning
Memory Aids
Mnemonic
DOB for Deep Observing with a Big mirror, and SONIAN sounds like 'so simple' – a simple, big-mirror telescope.
Conceptual Metaphor
A light bucket (collecting photons like a bucket collects water).
Practice
Quiz
What is the defining feature of a Dobsonian telescope?