Cardinal denotes something fundamental or primary, while also identifying specific religious figures, birds, and numbers.
30秒でわかる単語
- Fundamental or most important (adjective).
- A high-ranking Catholic Church official (noun).
- A bright red North American songbird (noun).
- A number used for counting quantity (noun/adjective).
Overview
The word 'cardinal' is a multifaceted term in the English language, functioning as both an adjective and a noun across several distinct domains. As an adjective, its primary meaning is 'of the greatest importance' or 'fundamental.' This usage stems from the Latin word 'cardo,' meaning 'hinge,' implying that everything else 'hinges' or depends on this central point. For instance, a 'cardinal rule' is a rule that is essential and must never be broken, while 'cardinal virtues' are the foundational moral qualities upon which other virtues are built. In this context, it is often synonymous with words like 'pivotal,' 'chief,' or 'paramount.'
In the realm of mathematics, 'cardinal' takes on a specific technical role. A cardinal number (e.g., 1, 2, 3) indicates quantity or 'how many' of something there are, distinguishing it from an 'ordinal number' (e.g., first, second, third), which indicates position or rank. This distinction is vital in set theory and everyday counting.
When used as a noun, 'cardinal' usually refers to one of two things: a high-ranking official in the Roman Catholic Church or a specific type of bright red bird found in North America. The church official, appointed by the Pope, is a member of the College of Cardinals, responsible for electing a new Pope. Because these officials traditionally wear deep red robes, the color itself became associated with the name. This led to the naming of the Northern Cardinal, a songbird known for the male's striking red plumage. Consequently, the word is also used occasionally as an adjective to describe a specific shade of vivid red.
In common usage, you will most frequently encounter 'cardinal' in formal discussions regarding ethics, rules, or mathematics. In North America, the noun form is very common in sports and nature contexts. Understanding the specific context—whether it is a discussion on mathematics, religion, biology, or fundamental principles—is key to determining which facet of the word is being applied. Despite these varied meanings, the underlying theme of 'centrality' or 'importance' links the adjective and the religious noun, while the color link connects the religious office to the bird.
例文
Respect for one's elders is a cardinal virtue in many cultures.
everydayRespect for one's elders is a fundamental virtue in many cultures.
The Pope met with the college of cardinals to discuss church reforms.
formalThe Pope met with the college of high-ranking officials to discuss church reforms.
I saw a bright red cardinal perched on the bird feeder this morning.
informalI saw a bright red bird perched on the bird feeder this morning.
The researcher listed the cardinal numbers representing the sample size.
academicThe researcher listed the counting numbers representing the sample size.
よく使う組み合わせ
よく使うフレーズ
cardinal points
North, South, East, and West.
cardinal virtues
Prudence, justice, fortitude, and temperance.
cardinal red
A deep, bright shade of red.
よく混同される語
Cardinal numbers show quantity (one, two), whereas ordinal numbers show position or rank (first, second).
Cardinal means fundamental or important; carnal relates to physical, often sexual, appetites.
文法パターン
How to Use It
使い方のコツ
When used as an adjective meaning 'important,' 'cardinal' is quite formal and often found in literature, law, or philosophical texts. The noun forms for the bird and the religious official are neutral and used in their respective specific contexts. In mathematics, it is a technical term used to distinguish from ordinality.
よくある間違い
The most common mistake is confusing 'cardinal' with 'ordinal' when discussing numbers. Another error is misspelling the word as 'cardonel' or 'cardinel.' Additionally, learners sometimes use 'cardinal' where 'primary' might be more natural in casual conversation, as 'cardinal' carries a weightier, more formal tone.
Tips
Use for Essential Rules
When you want to emphasize that a rule is non-negotiable and foundational, call it a 'cardinal rule' to sound more professional.
Don't Confuse with Carnal
'Cardinal' means fundamental, while 'carnal' refers to physical or sexual needs. Using the wrong one can significantly change your meaning.
Sports and Symbols
In the United States, 'Cardinal' is a very popular mascot for sports teams, most notably the St. Louis Cardinals (baseball) and Arizona Cardinals (football).
語源
Derived from the Latin 'cardinalis,' meaning 'pertaining to a hinge,' from 'cardo' (hinge). It signifies something on which a matter turns or depends.
文化的な背景
In the Catholic Church, Cardinals are the highest-ranking clergy below the Pope. Culturally in the U.S., the Cardinal bird is the official state bird of seven different states.
覚え方のコツ
Think of a 'hinge' (the Latin root). A cardinal rule is one that the whole system 'hinges' on.
よくある質問
4 問Cardinal numbers (1, 2, 3) tell you 'how many' there are in a group. Ordinal numbers (1st, 2nd, 3rd) tell you the 'order' or position of something in a list.
The bird is named after the Catholic cardinals because its bright red feathers resemble the deep red robes worn by the high-ranking church officials.
Historically, it refers to the seven deadly sins in Christian ethics, but in modern English, it is often used to describe any major or fundamental mistake.
Yes, 'cardinal' can refer to a deep, vivid shade of red, similar to the color of a cardinal bird's feathers or a cardinal's robes.
自分をテスト
One ___ rule of the laboratory is to always wear safety goggles.
In this context, 'cardinal' means fundamental or most important.
Which of these is a cardinal number?
Cardinal numbers indicate quantity (1, 2, 3), while ordinal numbers indicate rank (1st, 2nd, 3rd).
The male ___ is easily recognized by its bright red plumage and black face mask.
'Cardinal' is the noun used for the specific bird species.
スコア： /3
Summary
Cardinal denotes something fundamental or primary, while also identifying specific religious figures, birds, and numbers.
- Fundamental or most important (adjective).
- A high-ranking Catholic Church official (noun).
- A bright red North American songbird (noun).
- A number used for counting quantity (noun/adjective).
Use for Essential Rules
When you want to emphasize that a rule is non-negotiable and foundational, call it a 'cardinal rule' to sound more professional.
Don't Confuse with Carnal
'Cardinal' means fundamental, while 'carnal' refers to physical or sexual needs. Using the wrong one can significantly change your meaning.
Sports and Symbols
In the United States, 'Cardinal' is a very popular mascot for sports teams, most notably the St. Louis Cardinals (baseball) and Arizona Cardinals (football).
例文
4 / 4Respect for one's elders is a cardinal virtue in many cultures.
Respect for one's elders is a fundamental virtue in many cultures.
The Pope met with the college of cardinals to discuss church reforms.
The Pope met with the college of high-ranking officials to discuss church reforms.
I saw a bright red cardinal perched on the bird feeder this morning.
I saw a bright red bird perched on the bird feeder this morning.
The researcher listed the cardinal numbers representing the sample size.
The researcher listed the counting numbers representing the sample size.
