Definition

Relating to something that is placed before another thing, especially in terms of language or mathematics.

Example

In programming, a prefix operator is applied to its operand before the operand itself.

Conversation

I was reading about programming languages, and I came across the term prefix notation.

Oh really? I've heard that can make calculations easier.

Yeah, it's interesting how the prefix approach changes how equations are structured.

Definitely! It seems like it would save time once you get used to it.

Synonyms & Antonyms

Definition

A part added to the front of a word to change its meaning or create a new word.

Example

In the word 'unhappy', 'un-' is a prefix that means 'not'.

Conversation

Did you know that adding a prefix can change the meaning of a word?

Yeah, like how 'un-' makes something the opposite.

Exactly! I find it fascinating how just a few letters can transform a word.

Definition

To add a word or letter at the beginning of another word to change its meaning.

Example

You can prefix the word 'un' to 'happy' to make 'unhappy'.

Tense Forms

Conversation

Have you ever thought about how you can prefix words to change their meaning?

Yeah, it’s interesting how just a few letters can make such a difference.

I was thinking about how 'happy' becomes 'unhappy' when you prefix it with 'un'.

Root Explanation

Prefix → It is formed from "pre-" (meaning before) and "fix" (from Latin "figere", meaning to fasten or attach). The word "prefix" means to attach something before another element, typically in the context of language or grammar.

Memory Tip

Think of something being 'attached before' — 'pre-' means before, and 'fix' means to fasten.

Visually Confused Words