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熱量 (netsuryou) Japanese meaning: quantity of heat | Kotomora

熱ねつ量りょう

ね

つ

りょ

う

JLPTN1›Freq.FrequencyTop 50,000

Meanings

1

quantity of heat; calorific value

Technical term for the amount of heat energy, often measured in calories, joules, or BTU. Used in physics, engineering, and nutrition.

この食しょく品ひんの熱ねつ量りょうは100グラムあたり350キロカロリーです。

The calorific value of this food is 350 kilocalories per 100 grams.

2

enthusiasm; passion; zeal

Figurative extension: the intensity of someone's passion or enthusiasm, as if measuring emotional heat.

彼かれのスピーチには並なみ々なみならぬ熱ねつ量りょうがあった。
His speech had extraordinary passion.

Usage patterns

熱ねつ量りょうを消しょう費ひするto burn/consume calories
運うん動どうして熱ねつ量りょうを消しょう費ひした。
I burned calories by exercising.
〈人ひと〉の熱ねつ量りょうを感かんじるto feel someone's passion/enthusiasm
彼かれのプレゼンから熱ねつ量りょうを感かんじた。
I could feel his passion from the presentation.
熱ねつ量りょうが高たかい／低ひくいto be high/low in calories
このメニューは熱ねつ量りょうが高たかい。
This menu item is high in calories.
〈事こと〉に熱ねつ量りょうを注そそぐto pour one's passion into something
彼かれはこのプロジェクトに熱ねつ量りょうを注そそいでいる。
He is pouring his passion into this project.

Kanji

熱heat, temperature, fever
量quantity, measure, weight

Related words

カロリーN3sense 1
カロリー is the everyday unit for food energy, while 熱量 is the broader scientific term for the quantity of heat itself, expressed in calories, joules, or other units.
情じょう熱ねつN1sense 2
情熱 is the standard word for passion or enthusiasm, while 熱量 in its figurative sense emphasizes the measurable intensity of that passion, as if it could be quantified.
熱ねつ意いN2sense 2
熱意 describes earnest enthusiasm toward a task or goal, whereas 熱量 (figurative) treats that enthusiasm as a measurable amount of energy or intensity.
火か力りょくN1
熱量 measures the actual amount of heat energy released, while 火力 describes the intensity or power of a heat source itself.

Don't confuse with

熱ねつN5sense 1
熱 refers to heat itself (or a fever), while 熱量 is the measurable quantity of that heat, not the heat or fever directly.

Word family

熱ねつ量りょう計けい
calorimeter
発はつ熱ねつ量りょう
calorific value; heat value; heating value

Etymology

Compound of 熱 (heat) and 量 (quantity). The figurative sense derives from the idea of measuring emotional intensity as if it were heat.