series
Describes an arrangement or sequence where items or components follow one another in a specific order. In technical contexts, it refers to components connected in a single path so that the same current or logic flows through each one.
Examples
3 of 5The old decorative lights were connected in a series circuit, meaning if one bulb failed, the whole string went dark.
The old decorative lights were connected in a sequential circuit, meaning if one bulb failed, the whole string went dark.
The engineers recommended a series configuration to ensure the process steps occur in a strictly controlled order.
The engineers recommended a sequential configuration to ensure the process steps occur in a strictly controlled order.
Check if you put the batteries in a series layout like the diagram shows.
Check if you placed the batteries in a sequential layout as shown in the diagram.
Synonyms
Antonyms
Word Family
Memory Tip
Think of a 'series' of mountain peaks; you must cross one to get to the next in a single line.
Quick Quiz
If you connect the batteries in a ____ arrangement, the total voltage will increase.
Correct!
The correct answer is: series
Examples
The old decorative lights were connected in a series circuit, meaning if one bulb failed, the whole string went dark.
everydayThe old decorative lights were connected in a sequential circuit, meaning if one bulb failed, the whole string went dark.
The engineers recommended a series configuration to ensure the process steps occur in a strictly controlled order.
formalThe engineers recommended a sequential configuration to ensure the process steps occur in a strictly controlled order.
Check if you put the batteries in a series layout like the diagram shows.
informalCheck if you placed the batteries in a sequential layout as shown in the diagram.
A series expansion in mathematics allows for the representation of functions as infinite sums of terms.
academicA sequential expansion in mathematics allows for the representation of functions as infinite sums of terms.
The company is preparing for its Series B round of investment to fund international expansion.
businessThe company is preparing for its second major sequential round of investment to fund international expansion.
Synonyms
Antonyms
Word Family
Common Collocations
Common Phrases
in series
arranged one after another
Series A/B/C
stages of startup investment
series-wound
a type of motor connection
Often Confused With
Serial usually refers to things broadcasted or published in installments, while series as an adjective often describes physical or logical connections.
Serious relates to importance or gravity, sounding similar but having an entirely different meaning.
Usage Notes
When used as an adjective, 'series' is often an attributive noun. It is most frequently used in physics, mathematics, and finance to describe a specific sequential structure.
Common Mistakes
Learners often think 'series' is only plural; however, 'a series circuit' is correct as the word is invariant. Also, avoid using 'serie' as the singular form, which does not exist in English.
Memory Tip
Think of a 'series' of mountain peaks; you must cross one to get to the next in a single line.
Word Origin
From the Latin 'series' meaning a row, succession, or chain, derived from 'serere' meaning to join or bind together.
Grammar Patterns
Cultural Context
In the business world, 'Series A funding' is a culturally significant milestone indicating a startup's first major round of venture capital.
Quick Quiz
If you connect the batteries in a ____ arrangement, the total voltage will increase.
Correct!
The correct answer is: series
Related Grammar Rules
Related Vocabulary
Related Words
ready
A2To be fully prepared for an action or an event. It describes a state where everything is set so that something can happen immediately without delay.
simple
A2Something that is easy to understand, do, or use because it is not complicated. It can also describe something that is plain and basic in style, without extra decoration.
physical
A2Relating to the body rather than the mind or feelings. It also describes things that exist in the real world and can be seen or touched.
general
A2Describing something that affects most people or things rather than being specific to one. It is also used to describe a broad understanding of a topic without focusing on small details.
environmental
A2Relating to the natural world of land, sea, air, plants, and animals. It is often used to describe things that involve protecting nature from damage caused by humans.
medical
A2Relating to the science of medicine and the treatment of injuries or diseases. It is used to describe things connected to doctors, nurses, and the healthcare system.
traditional
A2Following or belonging to the customs and beliefs that have been part of a group of people or a society for a long time. It describes practices that are done in the same way they have been done in the past rather than using new or modern methods.
private
A2Describes something that belongs to a specific person or group and is not for public use. It also refers to a place or conversation where others are not allowed to listen or watch.
difficult
A2Something that is hard to do, understand, or deal with because it requires a lot of effort or skill. It can also describe a person who is not easy to please or work with.
religious
A2Describes someone who has a strong belief in a god or a group of gods and follows the practices of a religion. It can also refer to things that are connected with or related to a particular religion.
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