Definition of hypolimnion in English:

hypolimnion

nounPlural hypolimnia ˌhʌɪpə(ʊ)ˈlɪmnɪən-nēən

The lower layer of water in a stratified lake, typically cooler than the water above and relatively stagnant.
（成层湖的）下层滞水带，均温层，湖下层，湖底静水层
Example sentencesExamples
- MeHg accumulated in the hypolimnion of Lake 240 when oxygen was present.
- These lakes have permanent thermoclines, small littoral zones, and deep hypolimnia.
- For the higher concentrations of nitrate and oxygen in the hypolimnion during weeks 15 to 25, another mechanism might be efficacious.
- The mean acoustic size of rising bubbles decreased in the hypolimnion but increased in the epilimnion.
- Both ponds are dystrophic, surrounded by extensive mats of Sphagnum, and stratified in summer with anoxic hypolimnia.

Origin

Early 20th century: from hypo- 'below' + Greek limnion (diminutive of limnē 'lake').

Rhymes

epilimnion

Definition of hypolimnion in US English:

hypolimnion

noun-nēən

The lower layer of water in a stratified lake, typically cooler than the water above and relatively stagnant.
（成层湖的）下层滞水带，均温层，湖下层，湖底静水层
Example sentencesExamples
- These lakes have permanent thermoclines, small littoral zones, and deep hypolimnia.
- MeHg accumulated in the hypolimnion of Lake 240 when oxygen was present.
- For the higher concentrations of nitrate and oxygen in the hypolimnion during weeks 15 to 25, another mechanism might be efficacious.
- Both ponds are dystrophic, surrounded by extensive mats of Sphagnum, and stratified in summer with anoxic hypolimnia.
- The mean acoustic size of rising bubbles decreased in the hypolimnion but increased in the epilimnion.

Origin

Early 20th century: from hypo- ‘below’ + Greek limnion (diminutive of limnē ‘lake’).

词汇	hypolimnion
释义	Definition of hypolimnion in English: hypolimnion nounPlural hypolimnia ˌhʌɪpə(ʊ)ˈlɪmnɪən-nēən The lower layer of water in a stratified lake, typically cooler than the water above and relatively stagnant. （成层湖的）下层滞水带，均温层，湖下层，湖底静水层 Example sentencesExamples MeHg accumulated in the hypolimnion of Lake 240 when oxygen was present. These lakes have permanent thermoclines, small littoral zones, and deep hypolimnia. For the higher concentrations of nitrate and oxygen in the hypolimnion during weeks 15 to 25, another mechanism might be efficacious. The mean acoustic size of rising bubbles decreased in the hypolimnion but increased in the epilimnion. Both ponds are dystrophic, surrounded by extensive mats of Sphagnum, and stratified in summer with anoxic hypolimnia. Origin Early 20th century: from hypo- 'below' + Greek limnion (diminutive of limnē 'lake'). Rhymes epilimnion Definition of hypolimnion in US English: hypolimnion noun-nēən The lower layer of water in a stratified lake, typically cooler than the water above and relatively stagnant. （成层湖的）下层滞水带，均温层，湖下层，湖底静水层 Example sentencesExamples These lakes have permanent thermoclines, small littoral zones, and deep hypolimnia. MeHg accumulated in the hypolimnion of Lake 240 when oxygen was present. For the higher concentrations of nitrate and oxygen in the hypolimnion during weeks 15 to 25, another mechanism might be efficacious. Both ponds are dystrophic, surrounded by extensive mats of Sphagnum, and stratified in summer with anoxic hypolimnia. The mean acoustic size of rising bubbles decreased in the hypolimnion but increased in the epilimnion. Origin Early 20th century: from hypo- ‘below’ + Greek limnion (diminutive of limnē ‘lake’).
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