sundial - Master This Word
Master this word with our 5-step learning method – Learn English in English
sundial Word Meanings
- a device that shows the time of day using the position of the sun
- a timekeeping instrument that uses sunlight to cast a shadow
- a clock that relies on the sun's position
sundial Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
sundial Phonetic & Pronunciation
UK
/ˈsʌn.daɪəl/
US
/ˈsʌn.daɪ.əl/
sundial Word Etymology
The word 'sundial' comes from the combination of 'sun' (the star at the center of our solar system) + 'dial' (a face of a clock). Historically, it transitioned from Old English 'sundægel' via Latin and Greek roots. To remember it, picture an ancient garden with a stone marked with numbers, casting a shadow as the sun moves.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
An everyday sundial is a simple instrument that tells time by watching the sun’s shadow cast by a gnomon onto a marked dial. It was widely used before mechanical clocks, and its accuracy depends on your latitude, the season, and the sun’s position. Reading a sundial means knowing where noon falls locally and interpreting the curved or straight hour lines on the dial plate. Today, sundials are popular as educational tools and garden ornaments, illustrating the connection between solar movement and time. Although clocks have largely replaced sundials for daily use, the concept remains a vivid reminder of how humans measure the day.
Usage Reminders
- Avoid using a sundial indoors; sunlight is essential. Do not expect minute-by-minute accuracy. Local noon shifts with latitude. The gnomon direction matters. Read the dial lines from left to right as the sun moves west to east (in the northern hemisphere). It indicates solar time, not clock time.
Common Misconceptions
- It works at night or on cloudy days.
- All sundials are identical and work everywhere.
- It tells time to the exact minute.
- It doesn't depend on location or date.
- It runs on batteries or needs power.
Thinking Differences
For English speakers, think of a sundial as a tangible, sun-powered device with a gnomon casting a shadow on a dial. Learners often picture it as a clock with moving hands and expect minute-precision; emphasize that it shows solar time, which varies by latitude and date.
Learning Tips
- Visualize the gnomon casting a shadow on a dial.
- Remember local noon varies by latitude.
- Practice reading the shadow along different hour lines.
- Check the sun’s position rather than relying on a clock.
- Compare solar time with a modern clock to see the difference.
- Learn one simple rule: more sun = clearer reading.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the definition of 'sundial'?
A.A type of flower that blooms in the summer
B.A device that measures time using the position of the sun's shadow
C.A musical instrument played in orchestras
D.A technology used in smartphones
Step 2: Usage
Which sentence correctly uses the word 'sundial'?
A.The sundial was a key component in the construction of the new skyscraper.
B.She looked at the sundial to see what time it was in the afternoon.
C.He cooked dinner using a sundial recipe.
D.The sundial was filled with beautiful flowers.
Step 3: Similar Words
Which word is most similar to 'sundial'?
A.clock
B.globe
C.calendar
D.thermometer
Step 4: Opposite Words
What is the opposite of 'sundial'?
A.clock
B.nighttime
C.shadow
D.calendars
Step 5: Mastery
Can you think of a real-life context where someone might use a sundial?
A.During a cloudy day, he checked the digital clock for the time.
B.She went outside to check the flowers after lunch.
C.At the park, kids often rely on a sundial to tell time during sunny days.
D.He decided to run a marathon without any timing device.
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