A1 noun #581 よく出る 3分で読める

memory

Memory is the ability to store information in your brain and recall it later.

Explanation at your level:

Your memory is in your head. It helps you remember names, colors, and words. When you learn English, you use your memory to remember new words every day. It is a very helpful part of your brain!

A memory is something you remember from the past. For example, a memory of your last birthday party. Everyone has a memory. Some people have a good memory and remember many things. Other people have a bad memory and forget things easily.

We use the word memory to talk about our ability to store information. You can have a 'short-term memory' for things that just happened, or a 'long-term memory' for things from years ago. If you want to keep a memory forever, you might take a photo or write it down in a journal.

The term memory is quite versatile. Beyond the biological function, we often speak of 'nostalgia' or 'taking a trip down memory lane.' It is interesting how our memories can change over time; sometimes we remember things differently than they actually happened. This is a common topic in psychology and literature.

In advanced English, memory often appears in discussions regarding cognitive science or collective history. We talk about 'collective memory,' which refers to the shared pool of knowledge and information in the memories of two or more members of a social group. It is a powerful concept that shapes culture and identity.

At the C2 level, we explore the nuances of memory as an abstract construct. It is not merely a storage device but an active, reconstructive process. Philosophers and writers often ponder the reliability of memory, questioning whether our 'memories' are objective truths or subjective narratives we construct to define our existence. It is a profound subject that bridges the gap between science, art, and the human condition.

30秒でわかる単語

  • Memory is the brain's storage system.
  • It can be an ability or a specific event.
  • Commonly used in idioms like 'trip down memory lane'.
  • Essential for learning and identity.

Think of your memory as the ultimate personal filing system. It is the incredible ability of your brain to take in information, save it, and then bring it back out when you need it later. Whether you are remembering your ABCs or the taste of your favorite birthday cake, that is all thanks to your memory.

We use this word in two main ways. First, it refers to the mental capacity itself—the biological hardware that makes learning possible. Second, it refers to the content stored there. When you say, 'I have a great memory of that trip,' you are talking about a specific, stored experience. It is a fundamental part of being human!

The word memory has a beautiful, ancient history. It travels back to the Old French word memoire, which itself came from the Latin memoria. This Latin root is tied to the word memor, meaning 'mindful' or 'remembering.'

Interestingly, this root is connected to the Proto-Indo-European base *(s)mer-, which means 'to remember.' This same root gave us words like 'commemorate' and 'memento.' It is fascinating to think that when we use this word today, we are using a linguistic thread that stretches back thousands of years to describe the very same human experience of holding onto the past.

Using the word memory correctly is all about the context. In daily life, we often talk about having a 'good' or 'bad' memory. You might say, 'My memory is a bit fuzzy today,' which is a common, casual way to admit you are having trouble recalling something.

In more formal or academic settings, you might hear about 'long-term memory' or 'cognitive memory.' These are technical terms used in psychology. Regardless of the setting, remember that memory is typically an uncountable noun when referring to the ability, but it becomes countable when referring to specific events, like 'I have many happy memories of summer.' Always check if you are talking about the skill or the specific event!

Idioms make language colorful! Here are five common ones:

  • In living memory: Something that happened within the time that people who are still alive can remember.
  • Jog someone's memory: To help someone remember something they have forgotten.
  • Commit to memory: To learn something by heart or memorize it.
  • Memory lane: A metaphorical place you visit when you reminisce about the past.
  • Like a sieve: Used to describe a very bad memory (e.g., 'My memory is like a sieve today!').

Grammatically, memory is a noun. It can be singular ('a memory') or plural ('memories'). When talking about the general ability, we usually don't use an article, as in 'Memory is a complex process.' Pronunciation-wise, in the US, it sounds like MEM-uh-ree, while in the UK, the middle syllable is often dropped or softened to MEM-ree.

It rhymes with words like 'treasury' and 'refinery.' The stress is always on the first syllable. Keep an eye on the spelling; it is easy to accidentally drop the second 'e' if you aren't careful!

Fun Fact

The word is related to 'commemorate', which literally means 'to remember together'.

Pronunciation Guide

UK /ˈmem.ri/

The middle syllable is often elided.

US /ˈmem.ɚ.i/

Clearer pronunciation of all three syllables.

Common Errors

  • Pronouncing the middle 'o' as a full vowel
  • Misplacing the stress on the second syllable
  • Adding an extra sound at the end

Rhymes With

treasury refinery scenery greenery january

Difficulty Rating

読解 1/5

Very accessible.

Writing 2/5

Standard usage.

Speaking 2/5

Commonly used.

リスニング 1/5

Easy to hear.

What to Learn Next

Prerequisites

remember mind past

Learn Next

reminisce commemorate cognitive

上級

anamnesis neuroplasticity

Grammar to Know

Countable vs Uncountable Nouns

I have memories (C) / Memory is important (U).

Adjective placement

A good memory.

Idiomatic Verb Phrases

Commit to memory.

Examples by Level

1

I have a good memory.

I remember well.

Simple subject-verb-object.

2

Do you remember me?

Do you have a memory of me?

Question form.

3

This is a happy memory.

A nice thought from the past.

Singular noun.

4

I forget things easily.

My memory is not strong.

Adverb usage.

5

Write it down to remember.

Use your memory.

Imperative.

6

He has a bad memory.

He forgets often.

Adjective + noun.

7

I love my memories.

My past experiences.

Plural noun.

8

It is a clear memory.

I remember it well.

Adjective + noun.

1

I have many memories of my school days.

2

She has a photographic memory.

3

Can you jog my memory?

4

I lost my memory of the accident.

5

This song brings back memories.

6

He committed the poem to memory.

7

My memory is not as good as it used to be.

8

We should preserve these memories.

1

The computer has a lot of memory.

2

It is etched in my memory forever.

3

He has a memory for faces but not names.

4

We took a trip down memory lane.

5

The witness had a hazy memory of the event.

6

She has a memory like an elephant.

7

I am trying to refresh my memory.

8

The event is still fresh in my memory.

1

The trauma affected his long-term memory.

2

The museum serves as a place of collective memory.

3

She has a sharp memory for detail.

4

His memory of the incident is unreliable.

5

We must honor the memory of the fallen.

6

The software requires more memory to run.

7

He has a selective memory when it comes to chores.

8

The book is a vivid memory of her childhood.

1

The narrative is a reconstruction of fragmented memories.

2

Cultural memory plays a vital role in national identity.

3

Her memory of the conversation was remarkably precise.

4

The artist explores the fallibility of human memory.

5

He possesses an encyclopedic memory of historical facts.

6

The incident left a lasting impression on his memory.

7

We are engaging in a collective act of memory.

8

The system's memory capacity is insufficient.

1

The mnemonic device helped him retain the information.

2

Her memoir is a poignant exploration of memory and loss.

3

The concept of 'anamnesis' relates to the recovery of memory.

4

He suffers from a deficit in his working memory.

5

The architecture of the building evokes a sense of collective memory.

6

Memory is an inherently subjective and malleable process.

7

The study examines the neurobiology of memory consolidation.

8

She has an uncanny memory for obscure details.

類義語

recollection remembrance recall mind retention

反対語

forgetfulness oblivion amnesia

よく使う組み合わせ

good memory
long-term memory
short-term memory
refresh one's memory
jog one's memory
commit to memory
vivid memory
failing memory
photographic memory
in memory of

Idioms & Expressions

"trip down memory lane"

reminiscing about the past

Looking at these photos is a real trip down memory lane.

casual

"like a sieve"

having a very bad memory

I can't remember anything; my memory is like a sieve!

casual

"in living memory"

within the experience of people still alive

It was the coldest winter in living memory.

neutral

"jog someone's memory"

to stimulate someone's recall

I showed him the receipt to jog his memory.

neutral

"commit to memory"

to memorize

You need to commit these formulas to memory.

formal

"if memory serves"

if I remember correctly

If memory serves, the meeting is at noon.

neutral

Easily Confused

memory vs Remembrance

Both relate to the past.

Remembrance is for honoring; memory is for recalling.

Day of Remembrance vs. My memory of the day.

memory vs Memorize

Same root word.

Memorize is the verb; memory is the noun.

I need to memorize this for my memory test.

memory vs Reminisce

Relates to past memories.

Reminisce is the act of talking about memories.

We sat and reminisced about our memories.

memory vs Reminder

Related to remembering.

A reminder is an external object; memory is internal.

I set a reminder to help my memory.

Sentence Patterns

A2

Subject + have + a + [adj] + memory

I have a sharp memory.

B1

Commit + [object] + to + memory

Commit the rules to memory.

B2

In + memory + of + [person]

A statue in memory of the hero.

A2

Bring + back + memories

This song brings back memories.

B1

Refresh + one's + memory

I checked my notes to refresh my memory.

語族

Nouns

memorization the process of learning something by heart

Verbs

memorize to learn by heart

Adjectives

memorable worth remembering

関連

memento an object kept as a reminder

How to Use It

frequency

9

Formality Scale

Commemorate (Formal) Recall (Neutral) Memory (Neutral) Mind (Casual)

よくある間違い

I have a memory of him. I remember him.
While grammatically okay, it is more natural to use the verb 'remember' for people.
My memory is bad. I have a bad memory.
Native speakers prefer 'have a [adjective] memory' over 'my memory is [adjective]'.
I have many memory of it. I have many memories of it.
Must use the plural 'memories' when talking about multiple events.
He has a memory of elephant. He has a memory like an elephant.
Missing the idiomatic 'like an'.
I will make it to my memory. I will commit it to memory.
The idiom is 'commit to memory', not 'make to memory'.

Tips

💡

Memory Palace

Associate new words with rooms in your house.

💡

Native Usage

Use 'have a memory of' for past events.

🌍

Cultural Insight

Memories are often associated with nostalgia in English.

💡

Grammar Shortcut

Memory + of = specific event.

💡

Say It Right

Focus on the first syllable stress.

💡

Don't Make This Mistake

Don't say 'I have a memory of him' if you mean 'I remember him'.

💡

Did You Know?

The word is related to 'memento'.

💡

Study Smart

Use flashcards to memorize vocabulary.

💡

UK vs US

UK speakers often swallow the middle syllable.

💡

Formal vs Casual

Use 'recollection' in formal writing.

Memorize It

Mnemonic

MEM-o-ry: My Excellent Mind Opens Really Yielding information.

Visual Association

Imagine a library inside your head where every book is a memory.

Word Web

Brain Recall Past Learning Storage

チャレンジ

Try to recall three specific memories from last week.

語源

Latin

Original meaning: mindful, remembering

文化的な背景

None, though talking about loss of memory can be a sensitive topic regarding health.

Memory is often used in sentimental contexts, especially regarding family and childhood.

The song 'Memory' from the musical Cats The movie 'Eternal Sunshine of the Spotless Mind'

Practice in Real Life

Real-World Contexts

School

  • Memorize the dates
  • Test my memory
  • Commit to memory

Technology

  • Insufficient memory
  • Clear the memory
  • Expand memory

Social

  • Trip down memory lane
  • Fond memories
  • If memory serves

Health

  • Failing memory
  • Memory loss
  • Improve memory

Conversation Starters

"What is your earliest childhood memory?"

"Do you have a good memory for names?"

"What is a song that always brings back memories?"

"How do you usually commit new information to memory?"

"Do you think our memories change as we get older?"

Journal Prompts

Describe a memory that makes you smile.

Write about a place you visited and the memories associated with it.

If you could delete one memory, would you?

How do you keep your memory sharp?

よくある質問

8 問

Yes, when referring to specific events (e.g., 'I have two memories of that day'). No, when referring to the mental ability.

Memory is a noun (the thing), remember is a verb (the action).

Yes, it refers to the storage capacity of the machine.

US: MEM-uh-ree, UK: MEM-ree.

The ability to recall images or text with perfect accuracy.

Only when you are talking about more than one specific event.

It implies a gentle push to help the brain find information.

It is neutral and used in all contexts.

自分をテスト

fill blank A1

I have a good ___.

正解! おしい! 正解: memory

Memory is the correct noun for remembering.

multiple choice A2

Which means to learn something by heart?

正解! おしい! 正解: memorize

Memorize is the verb form.

true false B1

Memory is only ever an uncountable noun.

正解! おしい! 正解: 間違い

It can be countable when referring to specific events.

match pairs B1

Word

意味

All matched!

These are common idioms.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解:

My memory is a vivid one of childhood.

スコア: /5

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