Translation and Meaning of: 熱 - netsu

The Japanese word 熱[ねつ] (netsu) is a common term in everyday vocabulary, but it carries interesting meanings and uses. If you are studying Japanese or just curious about the language, understanding this word can open doors to more natural communication. In this article, we will explore its meaning, origin, and how it is used in different contexts. Additionally, we will look at some curiosities and tips for memorizing it effectively.

熱[ねつ] can mean "heat" or "fever," depending on the context in which it is used. It appears in everyday expressions, in Japanese media, and even in proverbs. If you have ever watched animes or dramas, you have probably come across this word. Here, we will uncover its practical uses and how it relates to Japanese culture.

Meaning and usage of 熱[ねつ]

The primary meaning of 熱[ねつ] is "heat," referring both to high temperature and to physical sensation. For example, on intensely hot summer days in Japan, it's common to hear phrases like "今日は熱がすごい" (kyou wa netsu ga sugoi), which means "The heat today is intense." However, this same word can also indicate "fever" when related to health, as in "熱がある" (netsu ga aru), meaning "I have a fever."

In addition to these basic uses, 熱[ねつ] appears in idiomatic and compound expressions. One of them is 熱中症 (necchūshō), which means "heat stroke" or "hyperthermia." Another example is 熱意 (netsui), which translates as "enthusiasm" or "passion." It is evident, then, that the word goes beyond its physical meaning, conveying intense emotions.

Origin and writing of the kanji 熱

The kanji 熱 is composed of three main elements: the fire radical (火), the component 埶 (which represents skill or art), and the radical 灬 (also related to fire). This combination reinforces the idea of intense heat or fervent energy. Etymological studies indicate that the character originated in ancient China and was incorporated into Japanese with the same basic meaning.

It is worth noting that 熱 is not one of the most complex kanjis, but its reading can vary depending on the word in which it appears. The most common reading is ねつ (netsu), but in compounds like 熱烈 (netsuretsu – "ardent"), it retains the same pronunciation. Being able to identify these patterns aids in memorization and in learning other vocabulary.

Tips for memorizing and using 熱[ねつ]

An effective way to remember 熱[ねつ] is to associate it with everyday situations. For example, think of a very hot day or a fever you’ve had – this creates an emotional connection with the word. Another tip is to practice with simple sentences, such as "熱で寝込んだ" (netsu de nekon da – "I was bedridden because of the fever"). The more contextualized the learning, the more natural its use will become.

In addition, watching Japanese content, such as news reports or dramas, can help identify how 熱[ねつ] is used in real discourse. It often appears in weather reports or dialogues related to health. Those studying Japanese can also benefit by noting examples in flashcards or apps like Anki for constant review.

Vocabulary

Expand your vocabulary with related words:

Synonyms and similar words

• 熱気 (Netsuki) - Hot air, atmosphere of heat.
• 熱量 (Netsuryou) - Amount of heat, thermal energy.
• 熱帯 (Net Tai) - Tropical region, where the climate is warm and humid.
• 発熱 (Hatsunetsu) - Fever, increase in body temperature.
• 熱狂 (Nettou) - Intense excitement, extreme enthusiasm.
• 熱中 (Netchuu) - Intense dedication, absorbed in something.
• 熱心 (Nesshin) - Enthusiasm, devotion, fervent interest.
• 熱湯 (Nettou) - Boiling water, hot water.
• 熱血 (Nekketsu) - Burning passion, warm and determined spirit.
• 熱戦 (Netsusen) - Fierce confrontation, intense competition.
• 熱烈 (Netsuretsu) - Intense, fervent, passionate.
• 熱意 (Netsui) - Enthusiasm, fervor, motivation.
• 熱狂的 (Nettou-teki) - Extremely enthusiastic, fanatic.
• 熱病 (Netsubyō) - Febrile illness, a condition characterized by an increase in temperature.
• 熱線 (Netsusen) - Heat line, beam of thermal radiation.
• 熱気球 (Netsukikyuu) - Hot air balloon.
• 熱帯雨林 (Net Tai Uin) - Tropical rainforest, habitat of warm and humid climate.
• 熱中症 (Netchuusyou) - Heat illness, a condition caused by excessive exposure to heat.
• 熱源 (Netsugen) - Heat source, origin of heat.
• 熱波 (Netsuba) - Heat wave, prolonged period of high temperatures.
• 熱帯魚 (Net Tai Uo) - Tropical fish, species of fish that live in warm climates.
• 熱中する (Netchuu suru) - Focus intensely, devote yourself to something with fervor.
• 熱中度 (Netchuu-do) - Level of dedication or immersion in an activity.
• 熱帯夜 (Net Tai Yoru) - Tropical night, hot and humid night.
• 熱帯低気圧 (Net Tai Teikiatsu) - Tropical depression, tropical weather system.
• 熱帯性 (Net Tai Sei) - Regarding tropical climate.
• 熱帯植物 (Net Tai Shokubutsu) - Tropical plants, typical flora of warm regions.
• 熱帯地方 (Net Tai Chihou) - Tropical regions, areas with a tropical climate.

熱

Romaji: netsu
Kana: ねつ
Type: noun
L: jlpt-n4

Translation / Meaning: fever; temperature

Meaning in English: fever;temperature

Definition: An energetic wave emitted by an object.

Example Sentences - (熱) netsu

See below some example sentences:

熱帯雨林は生命の宝庫です。

Nettai urin wa seimei no hōko desu

Tropical forests are life's treasures.

The rainforest is a treasure of life.

• 熱帯雨林 (nettai urin) - Tropical forest
• は (wa) - Topic particle
• 生命 (seimei) - life
• の (no) - Possession particle
• 宝庫 (houko) - treasure
• です (desu) - Verb to be/estar in the present

熱湯を注ぐ

netsuyu wo sosogu

Pour hot water.

Pour boiling water

• 熱湯 (netsu-tou) - boiling water
• を (wo) - object particle
• 注ぐ (sosogu) - pour, spill

情熱的な愛を持って生きる。

Jounetsuteki na ai wo motte ikiru

Viva com amor apaixonado.

Live with passionate love.

• 情熱的な - passionate, burning
• 愛 - love
• を - direct object particle
• 持って - Land, possess
• 生きる - live

光熱費が高くて困っています。

Kounetsuhi ga takakute komatteimasu

I am concerned about the high cost of energy.

I'm having trouble because the utility bill is high.

• 光熱費 - expenses with electricity and heating
• が - subject particle
• 高くて - high and
• 困っています - I am worried

スープが熱いです。

Sūpu ga atsui desu

The soup is hot.

The soup is hot.

• スープ (suupu) - soup
• が (ga) - subject particle
• 熱い (atsui) - hot
• です (desu) - Verb to be

彼は熱心に彼の理論を説いた。

Kare wa nesshin ni kare no riron o tokuita

He passionately explained his theory.

He eagerly preached his theory.

• 彼 - The Japanese pronoun that means "he" is 彼 (かれ, kare).
• は - Japanese particle that indicates the topic of the sentence
• 熱心に - Japanese adverb meaning "with enthusiasm"
• 彼の - Japanese possessive pronoun meaning "your"
• 理論を - Japanese noun that means "theory" and the particle "wo" indicates the direct object of the sentence
• 説いた - Japanese verb meaning "explain" in the past tense

彼女は熱心に勉強しています。

Kanojo wa nesshin ni benkyou shiteimasu

She is studying with enthusiasm.

She is studying eagerly.

• 彼女 - means "she" in Japanese.
• は - topic particle in Japanese, indicating that the subject of the sentence is "she".
• 熱心に - adverb that means "enthusiastically" or "with dedication".
• 勉強しています - compound verb that means "studying" or "learning".

熱いお茶を飲みたいです。

Atsui ocha wo nomitai desu

I want to drink hot tea.

• 熱い (atsui) - hot
• お茶 (ocha) - tea
• を (wo) - direct object particle
• 飲みたい (nomitai) - to want to drink
• です (desu) - Sentence-final particle

熱意を持って取り組むことが成功の鍵です。

Netsui wo motte torikumu koto ga seikou no kagi desu

Working with enthusiasm is the key to success.

• 熱意 (netsui) - enthusiasm, passion
• を (wo) - object particle
• 持って (motte) - having, possessing
• 取り組む (torikumu) - address, deal with
• こと (koto) - Thing, fact
• が (ga) - subject particle
• 成功 (seikou) - success
• の (no) - Possession particle
• 鍵 (kagi) - key
• です (desu) - Verb "to be" in the present tense

私は熱中しています。

Watashi wa netchuu shiteimasu

I'm obsessed.

I am enthusiastic.

• 私 - Japanese personal pronoun that means "I"
• は - Japanese particle that indicates the topic of the sentence, in this case, "I"
• 熱中 - Japanese noun that means "enthusiasm, passion"
• しています - Japanese verb that means "to be doing", conjugated in the present continuous.