Is 'augend' a common word?

No, it is a very rare, technical term used almost exclusively in mathematical or computer science contexts.

What is the difference between an augend and an addend?

In the operation A + B, A is the augend (the number being added to) and B is the addend (the number being added). Often, both are simply called addends.

Do I need to learn this word for everyday English?

No. It is a specialist term. For general communication, use 'first number' or 'the number you start with'.

Where does the word 'augend' come from?

From Latin 'augendus', the gerundive of 'augēre' meaning 'to increase'.

augend

Rare / Technical

UK/ˈɔːdʒend/US/ˈɔːdʒend/

Technical / Mathematical

My Flashcards

Definition

Meaning

A number to which another number (the addend) is added.

In basic arithmetic, the first operand in an addition operation. In mathematics more broadly, a term or quantity to which another is added.

Linguistics

Semantic Notes

A specific term from arithmetic, rarely used outside mathematical contexts. It is a passive term: the augend is the quantity that receives the addition.

Dialectal Variation

British vs American Usage

Differences

No significant difference in meaning or usage. The term is equally rare and technical in both varieties.

Connotations

Purely technical, with no regional connotations.

Frequency

Extremely low frequency in all contexts, only encountered in specific mathematical or computational writing.

Vocabulary

Collocations

strong

addplustothe augend

medium

firstinitialprimaryoriginal

weak

largesmallgivenspecified

Grammar

Valency Patterns

The augend is added to [the addend].[Addend] is added to the augend.The augend [is a number].

Vocabulary

Synonyms

Strong

summand (when considered as one of the numbers being summed)first number

Neutral

first termfirst operand

Weak

base numberinitial quantity

Vocabulary

Antonyms

addend (in the specific sense of the number being added)subtrahenddivisor

Phrases

Idioms & Phrases

“[none]”

Usage

Context Usage

Business

Virtually never used.

Academic

Used only in foundational mathematics education or in formal discussions of arithmetic operations.

Everyday

Not used. Replaced by phrases like "the first number" or "the number you start with".

Technical

The primary domain of use. Appears in mathematical textbooks, computer science (e.g., in documentation for addition circuits), or logic.

Examples

By Part of Speech

verb

British English

[Not applicable; augend is a noun.]

American English

[Not applicable; augend is a noun.]

adverb

British English

[Not applicable.]

American English

[Not applicable.]

adjective

British English

[Not applicable as a standard adjective.]

American English

[Not applicable as a standard adjective.]

Examples

By CEFR Level

[The term is far too technical for A2 level.]

In the sum 5 + 3, the number 5 is the augend.

The processor's arithmetic unit adds the addend from the register to the augend stored in memory.

In the formal algorithm, the binary digits of the addend are successively added to the corresponding bits of the augend, with any carry propagated to the next most significant bit.

Learning

Memory Aids

Mnemonic

Think of AUGmenting a number: the AUGend is the number that is about to be augmented by adding another.

Conceptual Metaphor

A RECEPTACLE: The augend is a container that receives the addend.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

Do not confuse with 'агент' (agent).
There is no direct, common one-word equivalent in Russian; the concept is described as 'первое слагаемое' (pervoye slagayemoye) in arithmetic.

Common Mistakes

Using 'augend' to refer to the number being added (that is the addend).
Using the term in non-mathematical contexts, which will confuse most listeners.
Pronouncing it as /ɔːˈɡend/ or /ˈɔːɡənd/.

Practice

Quiz

Fill in the gap

In the addition problem 12 + 7, the number 12 is called the .

Multiple Choice

What is an 'augend'?

FAQ

Frequently Asked Questions

: No, it is a very rare, technical term used almost exclusively in mathematical or computer science contexts.
: In the operation A + B, A is the augend (the number being added to) and B is the addend (the number being added). Often, both are simply called addends.
: No. It is a specialist term. For general communication, use 'first number' or 'the number you start with'.
: From Latin 'augendus', the gerundive of 'augēre' meaning 'to increase'.