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📕 rednote ID(小红书号)：3881567312

Sum Definition: Total in Math and Money (2 meaning)

Meaning 1：total of addition (sum)

sum 🔊

/sʌm/

The total number you get when you add two or more numbers together.

Sum in math: addition problem 12+25+8=45 circled in red

total of addition 🔊

➕

/ˈtoʊtl ʌv əˈdɪʃən/

The number obtained when two or more numbers are added together.

📁 Category：School Education 🔖 Level：Beginner

📘 Details & Usage

📖 Root Explanation

From Latin 'summa' (highest, total), ultimately from 'super' (above).

💡 Mnemonic

S-U-M: Start Under the Main number, then add everything above it.

📖 Example

The sum of 8, 4, and 2 is 14, which is clearly written at the bottom of his math homework. 🔊 The sum of 8, 4, and 2 is 14, which is clearly written at the bottom of his math homework.

🔗 Collocations

the sum of – the total obtained by adding numbers

find the sum – calculate the total

a large sum – a big total

🔄 Synonyms

total (n.) – the entire amount or number

aggregate (n.) – a whole formed by combining several elements

result (n.) – the outcome of a calculation

🚫 Antonyms

difference (n.) – the result of subtraction

🌱 Derivatives

summation (n.) – the process of adding numbers or amounts

summary (n.) – a brief statement of the main points of something

📖 Cultural Story

Sum entered English via Old French 'summe' from Latin 'summa', meaning 'highest point' or 'total'. In medieval mathematics, it denoted the result of addition, a concept foundational to commerce and science.

Meaning 2：amount of money (sum)

sum 🔊

/sʌm/

A total amount of something, especially money.

Sum of money: hand holding banknotes and coins with calculator

amount of money 🔊

➕

/əˈmaʊnt ʌv ˈmʌni/

A particular quantity or amount of money, often considered as a whole.

📁 Category：Social Economy 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

She saved a large sum of money to buy a new laptop for her university studies. 🔊 She saved a large sum of money to buy a new laptop for her university studies.

🔗 Collocations

a sum of money – an amount of money

a lump sum – a single payment of money instead of several installments

principal sum – the original amount of money borrowed or invested

🔄 Synonyms

amount (n.) – a quantity of something, especially money

figure (n.) – a number representing a price or value

quantity (n.) – an amount or number of something

🚫 Antonyms

pittance (n.) – a very small or inadequate amount of money

🌱 Derivatives

sumptuous (adj.) – splendid and expensive-looking

consume (v.) – to eat or drink something, or to use up a resource