dilate - Master This Word
Master this word with our 5-step learning method – Learn English in English
dilate Word Meanings
- to make something wider or larger
- to expand or spread out
- to become wider, often used in a medical context
dilate Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
dilate Phonetic & Pronunciation
UK
/daɪˈleɪt/
US
/daɪˈleɪt/
dilate Word Etymology
Root decomposition: 'di-' (apart) + 'late' (to carry). Historical origin: Latin 'dilatāre' → Old French 'dilater' → English 'dilate'. Memory image: Imagine a balloon that expands when it is filled with air, representing the widening that 'dilate' conveys.
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
To dilate means to make something wider or larger, or to become wider itself. You can say blood vessels dilate in response to heat or exercise, pupils dilate in dim light, or a doctor may dilate the cervix during an examination. The word is often used in medical contexts, but it also appears in general descriptions of expansion, such as a market dilating beyond its usual size or a camera lens dilating to capture more light. The root suggests a deliberate widening rather than a quick or accidental change, and it frequently appears in passive constructions: 'is dilated' or 'dilating.'
Usage Reminders
- It is often used with eyes, vessels, or passages.
- It can be intransitive (the pupil dilates) or transitive (dilate the pupil, dilate a passage).
- Past tense is dilated.
- Avoid confusing with 'delate' or 'deflate.'
- In medical writing, expect a formal tone and precise collocations like 'dilate the pupil' or 'dilate the artery.'
Common Misconceptions
- It only relates to eyes, not other body parts
- It means to expand suddenly, like an explosion
- Dilation is always permanent
- Dilate and enlarge are always interchangeable
- Dilate cannot be used in everyday contexts
Thinking Differences
In English, this word flags deliberate physical widening, often in medical contexts. Learners should be aware of its specific collocations (dilate the pupil, dilate the artery) and the fact that the subject can be eyes, vessels, or passages. The passive form is common: 'is dilated.'
Learning Tips
- Remember the core meaning: widen or enlarge
- Learn common bodies: pupil, vessel, airway
- Past tense is dilated; present participle: dilating
- Dwell on the difference from 'expand' and 'widen'
- Watch for medical contexts and passive constructions
- Avoid confusing with similar-sounding words like delate
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the definition of the word 'dilate'?
A.To shrink or reduce in size
B.To make wider or larger
C.To confuse someone
D.To break into smaller parts
Step 2: Usage
Choose the correct usage of 'dilate' in a sentence.
A.She tried to dilate her excuses for being late.
B.The student will dilate the math test later today.
C.The balloon began to dilate as it was filled with air.
D.They decided to dilate the cake before serving.
Step 3: Similar Words
Which word is most similar to 'dilate'?
A.Contract
B.Expand
C.Reduce
D.Shrink
Step 4: Opposite Words
What is the opposite of 'dilate'?
A.Decrease
B.Enlarge
C.Widen
D.Open
Step 5: Mastery
Can you think of a real-life scenario where something dilates?
A.The balloon was tied tightly and did not change size at all.
B.During a medical examination, the doctor checked how much the pupil widened in response to light.
C.They baked the cake for an hour without letting it cool.
D.The door was shut with great force and didn't open again.
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