Definition of peristome in English:

peristome

noun ˈpɛrɪstəʊmˈpɛrəˌstoʊm

1Zoology
The parts surrounding the mouth of various invertebrates.
〔动〕（无脊椎动物的）口围，围口部，口缘
Example sentencesExamples
- The peristome can seem quite large.
- Other mature modifications, such as change in the shape of the peristome, are also inconsistently observed in Paleozoic ammonoids.
- The autozooids have small apertures and often preserve long peristomes inclined at an acute angle to the colony surface.
- Spines and tube feet surrounding the peristome function in locomotion, burrowing, and food-gathering.
- Ammonites are complete, many with preserved peristomes.
2Botany
A fringe of small projections around the mouth of a capsule in mosses and certain fungi.
〔植〕（藓类的）蒴齿（层）；（某些真菌的）子实竭
Example sentencesExamples
- The sporophytes also develop peristomes and a spongy layer.

Origin

Late 18th century: from modern Latin peristoma, from Greek peri- 'around' + stoma 'mouth'.

Definition of peristome in US English:

peristome

nounˈperəˌstōmˈpɛrəˌstoʊm

Zoology

1The parts surrounding the mouth of various invertebrates.
〔动〕（无脊椎动物的）口围，围口部，口缘
Example sentencesExamples
- The peristome can seem quite large.
- Ammonites are complete, many with preserved peristomes.
- Spines and tube feet surrounding the peristome function in locomotion, burrowing, and food-gathering.
- Other mature modifications, such as change in the shape of the peristome, are also inconsistently observed in Paleozoic ammonoids.
- The autozooids have small apertures and often preserve long peristomes inclined at an acute angle to the colony surface.
1. 1.1Botany A fringe of small projections around the mouth of a capsule in mosses and certain fungi.
  〔植〕（藓类的）蒴齿（层）；（某些真菌的）子实竭
  Example sentencesExamples
  The sporophytes also develop peristomes and a spongy layer.

Origin

Late 18th century: from modern Latin peristoma, from Greek peri- ‘around’ + stoma ‘mouth’.

单词	peristome
释义	Definition of peristome in English: peristome noun ˈpɛrɪstəʊmˈpɛrəˌstoʊm 1Zoology The parts surrounding the mouth of various invertebrates. 〔动〕（无脊椎动物的）口围，围口部，口缘 Example sentencesExamples The peristome can seem quite large. Other mature modifications, such as change in the shape of the peristome, are also inconsistently observed in Paleozoic ammonoids. The autozooids have small apertures and often preserve long peristomes inclined at an acute angle to the colony surface. Spines and tube feet surrounding the peristome function in locomotion, burrowing, and food-gathering. Ammonites are complete, many with preserved peristomes. 2Botany A fringe of small projections around the mouth of a capsule in mosses and certain fungi. 〔植〕（藓类的）蒴齿（层）；（某些真菌的）子实竭 Example sentencesExamples The sporophytes also develop peristomes and a spongy layer. Origin Late 18th century: from modern Latin peristoma, from Greek peri- 'around' + stoma 'mouth'. Definition of peristome in US English: peristome nounˈperəˌstōmˈpɛrəˌstoʊm Zoology 1The parts surrounding the mouth of various invertebrates. 〔动〕（无脊椎动物的）口围，围口部，口缘 Example sentencesExamples The peristome can seem quite large. Ammonites are complete, many with preserved peristomes. Spines and tube feet surrounding the peristome function in locomotion, burrowing, and food-gathering. Other mature modifications, such as change in the shape of the peristome, are also inconsistently observed in Paleozoic ammonoids. The autozooids have small apertures and often preserve long peristomes inclined at an acute angle to the colony surface. 1.1Botany A fringe of small projections around the mouth of a capsule in mosses and certain fungi. 〔植〕（藓类的）蒴齿（层）；（某些真菌的）子实竭 Example sentencesExamples The sporophytes also develop peristomes and a spongy layer. Origin Late 18th century: from modern Latin peristoma, from Greek peri- ‘around’ + stoma ‘mouth’.
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