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📕 rednote ID(小红书号)：3881567312

Radiate: Definition, Usage & Common Phrases (2 meaning)

Meaning 1：emit rays (radiate)

radiate 🔊

/ˈreɪ.di.eɪt/

To send out light or heat in all directions, like the sun or a heater.

Radiate definition illustrated by the sun emitting light and heat rays into space.

emit rays 🔊

➕

/ɪˈmɪt reɪz/

To emit energy, especially light or heat, from a central point in all directions.

📁 Category：Space Exploration 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From Latin 'radius' (ray, spoke) + '-ate' (verb-forming suffix).

💡 Mnemonic

A **radio** station must **radiate** its signal in all directions so everyone can tune in.

📖 Example

On a clear summer day, the sun radiates enough warmth to make our picnic blanket feel cozy. 🔊 On a clear summer day, the sun emits enough warmth to make our picnic blanket feel cozy.

🔗 Collocations

radiate heat – to give off warmth

radiate from a source – to spread outwards from a central point

radiate outward – to extend in all directions from a center

🔄 Synonyms

emit (v.) – to send out (light, heat, or energy)

beam (v.) – to transmit (light or radio signals) in a particular direction

shine (v.) – to give out a bright light

🚫 Antonyms

absorb (v.) – to take in or soak up (energy or a substance)

🌱 Derivatives

radiation (n.) – the emission of energy as waves or particles

radiant (adj.) – sending out light; shining brightly

📖 Cultural Story

The word 'radiate' originates from Latin 'radiare', meaning 'to emit rays', itself from 'radius' (ray, spoke of a wheel). This root is also found in 'radius' (a straight line from the center to the circumference) and 'radio' (technology using electromagnetic radiation). In science, it's a fundamental concept for describing energy emission.

Meaning 2：exude positivity (radiate)

radiate 🔊

/ˈreɪ.di.eɪt/

To show a strong positive feeling or quality that others can easily see and feel from you.

Concept of a person radiating positivity and joy with a warm, glowing illustration.

exude positivity 🔊

➕

/ɪɡˈzjuːd ˌpɒz.əˈtɪv.ə.ti/

To clearly display or project a strong, positive feeling, quality, or atmosphere that is perceptible to others.

📁 Category：Social Roles 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

Even under pressure, our team leader radiates a calm confidence that makes everyone feel secure. 🔊 Even under pressure, our team leader projects a calm confidence that makes everyone feel secure.

🔗 Collocations

radiate confidence – to project a strong sense of self-assurance

radiate joy – to show great happiness that affects others

radiate charm – to exude a pleasing and attractive personality

🔄 Synonyms

exude (v.) – to display (an emotion or quality) strongly and openly

emanate (v.) – to originate from a source (often for intangible qualities like feelings)

project (v.) – to convey or make an impression of (a particular quality or image)

🚫 Antonyms

conceal (v.) – to keep from being seen; to hide

🌱 Derivatives

radiantly (adv.) – in a way that shows great happiness, love, or health