冷れい熱ねつ

noun

cold and heat; cooling and heating

Refers to the pair of cold and heat as physical phenomena, or to cooling and heating functions. Often used in technical contexts such as air conditioning or thermal management.

• この装そう置ちは冷れい熱ねつの両りょう方ほうを制せい御ぎょできます。

  This device can control both cooling and heating.

• 冷れい熱ねつ技ぎ術じゅつの進しん歩ぽにより、省しょうエネが進すすんだ。

  Advances in cooling and heating technology have led to energy savings.

noun

indifference and enthusiasm; prosperity and decline

Figurative use contrasting extremes of human emotion or fortune. Rare and somewhat literary; more common in set phrases or classical contexts.

• 世よの中なかの冷れい熱ねつを経けい験けんしてきた。

  I have experienced the ups and downs of life.

• 彼かれの態たい度どには冷れい熱ねつの差さが激はげしい。

  His attitude swings wildly between coldness and enthusiasm.

noun

cold energy; cold source

Technical term for cold as an energy source, e.g., in power generation using temperature differences. Often appears in compounds like 冷熱発電.

See also: 冷熱発電

• 冷れい熱ねつ発はつ電でんは、温おん度ど差さを利り用ようして電でん気きを作つくる技ぎ術じゅつです。

  Cold energy power generation is a technology that uses temperature differences to produce electricity.