Word
Definitions
01a part of a machine or system
B2 · Upper Intermediate Countable noun Technology General-service
n. one of the individual parts that makes up a machine or a piece of equipment.
n. a physical part of a mechanical or electronic device, often manufactured as a discrete unit.
日本語:パーツ※
“The technician replaced a broken component in the computer's cooling system.”
“The manufacturer sources high-quality electronic components from several different suppliers to ensure the final product meets safety standards.”
02a part of an idea or plan
B2 · Upper Intermediate Countable noun Academic
n. a part of a larger plan, idea, or situation.
n. a constituent element of a conceptual whole, such as a strategy, curriculum, or chemical mixture.
日本語:要素※
“Regular exercise is a vital component of a healthy lifestyle.”
“The research team identified three key components of the economic crisis that had been overlooked by previous analysts.”
Synonyms
03forming a whole
C1 · Advanced Academic · Formal
adj. describing the parts that make up a larger thing.
adj. serving as one of the parts of a whole; non-gradable and typically used before a noun.
“The scientist broke the substance down into its component parts.”
“By examining the component elements of the alloy, the engineers were able to determine why the structure failed under pressure.”
Usage
Always used before a noun.
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “component” in context.
Verb
01. add component
“The engineers decided to add a cooling component to the engine design.”
verb + noun
02. identify component
“We need to identify the faulty component before we can repair the machine.”
verb + noun
03. include component
“The new software package will include a component for data encryption.”
verb + noun
Adjective
04. additional component
“You may need to purchase an additional component to make the device compatible.”
adj + noun
05. central component
“Trust is a central component of any successful relationship.”
adj + noun
06. critical component
“Oxygen is a critical component for the survival of most living organisms.”
adj + noun
07. crucial component
“Effective communication is a crucial component of teamwork.”
adj + noun
08. emotional component
“The therapist explained that there is a strong emotional component to his physical pain.”
adj + noun
09. important component
“Regular exercise is an important component of a healthy lifestyle.”
adj + noun
Noun
10. component consist
“The main component consists of high-grade aluminum to ensure durability.”
noun + verb
11. components needed
12. contain component
Real-World Examples
“The $25 mail-order kit came with instructions on how to skin the board and attach the necessary components.” “It would take vaccine manufacturers a decade to separate the MMR vaccine into its three different components.” “Our study also highlighted how economic well-being influences other components of a person’s overall well-being, such as their mental, emotional or social health.” “Adding everything else in, such as a bus (backbone), GPUs, and other components, the satellites will likely weigh between 3.5 and 7.5 metric tons.” Etymology
Borrowed from Latin compōnēns, compōnēntis, present participle of compōnō (“assemble, put together”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
- アルファベット
- 読み方の一覧 →
QR code
englishreference.com/q/component
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「日本語」「カタカナ語」 data: JMdict (EDRDG), CC BY-SA 4.0