冷れい温おん

noun, noun which may take the genitive case particle 'no'

cold and warm; low and high temperature

Refers to both cold and warm temperatures, often used in technical or descriptive contexts like 冷温試験 (cold-and-warm test) or 冷温保存 (cold and warm storage).

• この装そう置ちは冷れい温おん両りょう方ほうの試し験けんができます。

  This device can perform both cold and warm tests.

noun, noun which may take the genitive case particle 'no'

low temperature; cold temperature

Used in technical or specialized contexts to refer specifically to low temperatures, as opposed to high temperatures. Less common than 低温 (ていおん).