kidney - Master This Word
Master this word with our 5-step learning method – Learn English in English
kidney Word Meanings
- an organ that filters waste from the blood
- one of a pair of organs in the body
- a figurative term for something essential to health or vitality
kidney Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
kidney Phonetic & Pronunciation
UK
/ˈkɪdni/
US
/ˈkɪdni/
kidney Word Etymology
kidney = 'kidneys'; Old English 'cyning', which developed into today's usage. Picture a kidney bean, which resembles the organ's shape, reminding you of its function in filtering blood.
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 InputEnglish Brain Route
I press a hand to my side and take a slow breath, feeling a warmth where the kidney sits. I move my weight, shift my shoulders, and let the idea of this organ rise in my mind as something that keeps the body clean inside. I adjust my posture, hold for a moment, then exhale, noticing how this quiet part seems to push back waste and keep me steady. With each small action I place attention there, letting the sense of health settle in my chest and in daily tasks.
Real Context
The kidney is a pair of bean shaped organs in the urinary system that filter waste products from the bloodstream, regulate fluid balance, and help control blood pressure through hormone signals. Each kidney contains millions of tiny filtering units called nephrons that perform filtration, reabsorption, and secretion to produce urine. Beyond filtering, kidneys help maintain chemical balance, produce certain hormones, and respond to dehydration by conserving water. The term kidney is sometimes used figuratively to mean something essential to health or vitality, as in the idea that a body needs a vital organ to function well. Clinically, doctors discuss kidney function when talking about diseases like kidney stones or chronic kidney disease.
Usage Reminders
- Remember to review kidney vocabulary in context
- Think about kidney function when you hear health terms
- Avoid assuming kidney equals bladder or urinary tract only
- Practice the plural form kidneys when talking about both organs
- Note the figurative uses of kidney in health discussions
- Keep kidney and liver separate in explanations
Common Misconceptions
- The kidney is the same as the bladder or urinary tract.
- Humans only have one kidney.
- Kidneys filter blood only when you drink water.
- Kidney function equals urinary function alone.
- All kidney problems are painful and obvious.
Thinking Differences
In English, kidney is a concrete anatomical term with a clear singular/plural distinction (kidney vs kidneys) and a common figurative sense for health importance. Learners may overgeneralize the figurative use or struggle with pluralization when talking about both organs.
Learning Tips
- Build a mini glossary with kidney terms: nephron, filtration, urine.
- Connect anatomy to everyday health topics like hydration and salt intake.
- Use visuals: diagrams of kidney anatomy and urine flow.
- Practice both singular and plural correctly: kidney vs kidneys.
- Learn common collocations: kidney function, kidney disease, kidney stones.
- Review idioms and figurative uses in health contexts.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of the word 'kidney'?
A.A type of flower
B.A type of fruit
C.A vital organ in the body
D.A musical instrument
Step 2: Usage
In which of the following sentences is the word 'kidney' used correctly?
A.She played the kidney at the concert.
B.The doctor examined her kidney.
C.He ate a delicious kidney for dinner.
D.The teacher showed them a kidney in the classroom.
Step 3: Similar Words
Which word is a synonym of 'kidney'?
A.Heart
B.Liver
C.Spleen
D.Lung
Step 4: Opposite Words
In what real-world context would you hear the word 'kidney'?
A.Music concert program listing instruments
B.Gardening show talking about new plant species
C.Cooking show discussing organ meats
D.Medical TV drama showing surgical procedures
Step 5: Mastery
Can you think of a situation where the word 'kidney' would be used?
A.Talking about a vegetarian diet
B.Discussing the importance of hydration
C.Describing a transplant surgery
D.Explaining the process of digestion
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