Definition of raphide in English:

raphide

noun ˈreɪfʌɪdˈrāfīd

Botany

A needle-shaped crystal of calcium oxalate occurring in clusters within the tissues of certain plants.
〔植〕针晶体
Example sentencesExamples
- Occasionally, calcium oxalate raphide or druse crystals were observed in this tissue.
- In monocots, calcium oxalate is most often laid down and usually as bundles of needle-shaped crystals known as raphides.
- The raphides project into the anther locule.
- The callus consists largely of parenchyma with raphides and is supplied by eight to ten collateral bundles.
- Some of the latter are idioblastic and enclose raphides, whereas others are larger and form cavities containing mucilage.

Origin

Mid 19th century: via French from Greek rhaphis, rhaphid- 'needle'.

Definition of raphide in US English:

raphide

nounˈrāfīd

Botany

A needle-shaped crystal of calcium oxalate occurring in clusters within the tissues of certain plants.
〔植〕针晶体
Example sentencesExamples
- The callus consists largely of parenchyma with raphides and is supplied by eight to ten collateral bundles.
- Some of the latter are idioblastic and enclose raphides, whereas others are larger and form cavities containing mucilage.
- Occasionally, calcium oxalate raphide or druse crystals were observed in this tissue.
- In monocots, calcium oxalate is most often laid down and usually as bundles of needle-shaped crystals known as raphides.
- The raphides project into the anther locule.

Origin

Mid 19th century: via French from Greek rhaphis, rhaphid- ‘needle’.

词汇	raphide
释义	Definition of raphide in English: raphide noun ˈreɪfʌɪdˈrāfīd Botany A needle-shaped crystal of calcium oxalate occurring in clusters within the tissues of certain plants. 〔植〕针晶体 Example sentencesExamples Occasionally, calcium oxalate raphide or druse crystals were observed in this tissue. In monocots, calcium oxalate is most often laid down and usually as bundles of needle-shaped crystals known as raphides. The raphides project into the anther locule. The callus consists largely of parenchyma with raphides and is supplied by eight to ten collateral bundles. Some of the latter are idioblastic and enclose raphides, whereas others are larger and form cavities containing mucilage. Origin Mid 19th century: via French from Greek rhaphis, rhaphid- 'needle'. Definition of raphide in US English: raphide nounˈrāfīd Botany A needle-shaped crystal of calcium oxalate occurring in clusters within the tissues of certain plants. 〔植〕针晶体 Example sentencesExamples The callus consists largely of parenchyma with raphides and is supplied by eight to ten collateral bundles. Some of the latter are idioblastic and enclose raphides, whereas others are larger and form cavities containing mucilage. Occasionally, calcium oxalate raphide or druse crystals were observed in this tissue. In monocots, calcium oxalate is most often laid down and usually as bundles of needle-shaped crystals known as raphides. The raphides project into the anther locule. Origin Mid 19th century: via French from Greek rhaphis, rhaphid- ‘needle’.
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