Definition of pileus in English:

pileus

nounPlural pilei ˈpʌɪlɪəsˈpīlēəs

Botany

The cap of a mushroom or toadstool.
〔植〕菌盖，菌伞
Example sentencesExamples
- Their compact pilei - tight-fitting in infant plants, robust and appetizingly domed in ripe ones - have a smooth (not lamellate) undersurface and a neat, strong stem.
- The development is initiated as a hyphal knot of 0.2 mm or less in diameter, which rapidly develops into a tiny primordium containing the rudimentary tissues of the future pileus and stipe.
- CO2, levels above 1,000 ppm repress expansion of the pileus and stimulate stipe growth in a wide variety of commercially-grown species, leading to spindly mushrooms in high CO2 conditions.

Origin

Mid 18th century: from Latin, literally 'felt cap'.

Definition of pileus in US English:

pileus

nounˈpīlēəs

Botany

The cap of a mushroom or toadstool.
〔植〕菌盖，菌伞
Example sentencesExamples
- The development is initiated as a hyphal knot of 0.2 mm or less in diameter, which rapidly develops into a tiny primordium containing the rudimentary tissues of the future pileus and stipe.
- CO2, levels above 1,000 ppm repress expansion of the pileus and stimulate stipe growth in a wide variety of commercially-grown species, leading to spindly mushrooms in high CO2 conditions.
- Their compact pilei - tight-fitting in infant plants, robust and appetizingly domed in ripe ones - have a smooth (not lamellate) undersurface and a neat, strong stem.

Origin

Mid 18th century: from Latin, literally ‘felt cap’.

词汇	pileus
释义	Definition of pileus in English: pileus nounPlural pilei ˈpʌɪlɪəsˈpīlēəs Botany The cap of a mushroom or toadstool. 〔植〕菌盖，菌伞 Example sentencesExamples Their compact pilei - tight-fitting in infant plants, robust and appetizingly domed in ripe ones - have a smooth (not lamellate) undersurface and a neat, strong stem. The development is initiated as a hyphal knot of 0.2 mm or less in diameter, which rapidly develops into a tiny primordium containing the rudimentary tissues of the future pileus and stipe. CO2, levels above 1,000 ppm repress expansion of the pileus and stimulate stipe growth in a wide variety of commercially-grown species, leading to spindly mushrooms in high CO2 conditions. Origin Mid 18th century: from Latin, literally 'felt cap'. Definition of pileus in US English: pileus nounˈpīlēəs Botany The cap of a mushroom or toadstool. 〔植〕菌盖，菌伞 Example sentencesExamples The development is initiated as a hyphal knot of 0.2 mm or less in diameter, which rapidly develops into a tiny primordium containing the rudimentary tissues of the future pileus and stipe. CO2, levels above 1,000 ppm repress expansion of the pileus and stimulate stipe growth in a wide variety of commercially-grown species, leading to spindly mushrooms in high CO2 conditions. Their compact pilei - tight-fitting in infant plants, robust and appetizingly domed in ripe ones - have a smooth (not lamellate) undersurface and a neat, strong stem. Origin Mid 18th century: from Latin, literally ‘felt cap’.
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