ultraviolet rays

BrE /ˌʌltrəˈvaɪələt ˈreɪz/

ultraviolet ray

Definition

Synonyms

Definition of ultraviolet rays - Reverso English Dictionary

Noun, plural

sunlight

TECH.

invisible light from the sun or lamps that can damage skin

TECH.

Ultraviolet rays can cause sunburn if you stay outside too long.
Sunglasses with proper filters block most harmful ultraviolet rays.
The lab used special lamps emitting ultraviolet rays to sterilize equipment.

high-water mark

waterline

Add a suggestion |

Feedback:

Expressions with ultraviolet

ultraviolet illumination

light that is invisible and beyond violet in the spectrum

Scientists use ultraviolet illumination to study stars.

ultraviolet lamp

device emitting ultraviolet radiation for various uses

The laboratory uses an ultraviolet lamp for experiments.

ultraviolet radiation

electromagnetic radiation with wavelengths shorter than visible light

Ultraviolet radiation can cause sunburn if you stay outside too long.

ultraviolet astronomy

observational astronomy studying ultraviolet light from space objects

Ultraviolet astronomy helps us understand star formation.

ultraviolet index

measure of the strength of sunburn-producing ultraviolet radiation

The ultraviolet index is high today, so wear sunscreen.

ultraviolet light

electromagnetic waves with wavelengths shorter than visible light

Ultraviolet light can cause sunburn.

Terms with ultraviolet rays included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.

sunblock

skin protection

lotion or cream that protects skin from sun's ultraviolet rays

actinic

adj.

photo science

causing chemical change from ultraviolet rays

mercury-vapour lamp

lighting ultraviolet

lamp that uses mercury vapor to produce light or ultraviolet rays

ozonosphere

atmosphere protection

layer in the atmosphere with much ozone that blocks ultraviolet rays

sunlamp

skin tanning

artificial light source emitting ultraviolet rays

UVP

abbr.

abr: ultraviolet protection

ability to block harmful ultraviolet rays

View all translations of ultraviolet rays

✨Click below to see the appropriate translations facing each meaning.

French:rayons ultraviolets, ...
German:ultraviolette Strahlen, ...
Italian:raggi ultravioletti, ...
Spanish:rayos ultravioleta, ...
Portuguese:raios ultravioleta, ...
Chinese:紫外线, ...
Japanese:紫外線, ...
Arabic:أَشِعّة فَوْقَ بَنَفْسَجيّة, ...
Hebrew:קְרָנֵי עַל סָגוֹל, ...
Russian:ультрафиолетовые лучи, ...
Ukrainian:ультрафіолетові промені, ...
Hindi:पराबैंगनी किरणें, ...
Bengali:অতিবেগুনি রশ্মি, ...
Catalan:raigs ultraviolats, ...
Czech:ultrafialové záření, ...
Danish:UV-stråling, ...
Dutch:uv-stralen, ...
Greek:υπεριώδεις ακτίνες, ...
Hungarian:ultraibolya sugárzás, ...
Khmer:កាំរស្មីអ៊ុលត្រាវីយ៉ូឡេ, ...
Korean:자외선, ...
Persian:اشعه فرابنفش, ...
Polish:promienie ultrafioletowe, ...
Portuguese (BR):raios ultravioleta, ...
Romanian:raze ultraviolete, ...
Swedish:ultravioletta strålar, ...
Thai:รังสีอัลตราไวโอเลต, ...
Turkish:ultraviyole ışınları, ...
Vietnamese:tia cực tím, ...

Discover how Reverso redefines the dictionary

Go beyond “simple words”

100,000 expressions & idioms Understand any expression you come across: from corporate jargon like 💬 touch base or ↩️ circle back to everyday expressions such as 🌊 out of the blue or 🦆 lame duck, as well as idioms like 🍲 spill the beans and 🐎 hold your horses.

40,000 images When you search for a concrete noun or object, images help you grasp the meaning at a glance. Try searching for 🧵 puppytooth, 🎠 merry-go-round, ⚜️ fleur-de-lys, or 💤 bunk bed.

Informal language & slang Everyday conversations are packed with informal expressions and slang. Meanings are clearly tagged, so you'll always know when a word is casual. Look up hangry (😋 hungry + 😡 angry), 😎 rizz, 🕹️ noob, or 🔑 low-key.

Abbreviations & acronyms Quickly decode modern abbreviations and acronyms. Go from IDK to OMG in seconds and stay up to date with popular abbreviations such as 🐐 GOAT, 📜 tl;dr, 👀 POV, or 🖥️ AFK.

Regional usage (US / UK) Reverso highlights regional differences between American and British English. You’ll never have to wonder where a word is commonly used: try lift vs. elevator, courgette vs. zucchini, or popular British slang like dodgy or banter. What’s more, when you search for 'color', you’ll immediately see its British counterpart, 'colour'.

Get more than a simple definition

Translations for each meaning View translations alongside each meaning to see how a word is translated in each context. Simply toggle translations ON and choose among 25+ languages. You can also display the translation of definitions or examples into your native language to deepen your understanding.

Synonyms & related words by meaning View synonyms and related words for each meaning, not just for the word as a whole. This helps you choose the most accurate word for your context. Click the

icon to discover related terms: analogies, antonyms, common collocates, words with same roots, umbrella terms… Try with happening or hunch.

Multiple examples for every meaning Each meaning comes with three real-life examples to show you how the word is used in different contexts. Click the

icon next to the first example to see two additional options and learn to use new vocabulary naturally.

Go from understanding to mastery

Save words for later review Click the

icon to save words you want to revisit. You can also save a specific meaning by clicking on the

icon next to it. For example, you might want to save the word “table” as a verb, which means “to postpone”.

Practice with personalized flashcards Reverso automatically transforms your searches and saved words into personalized flashcards and quizzes, featuring high-quality audio and usage examples. This helps you transform terms you only recognize into words you actually use confidently.

Learn with Netflix, YouTube, and your favorite texts With Reverso Chrome extension, transform movies, TV shows, articles, or song lyrics into an interactive lesson. Look up words and expressions in one click on any website and learn with your favorite content.