Definition of holdfast in English:

holdfast

noun ˈhəʊl(d)fɑːstˈhoʊl(d)fæst

1A firm grip.
紧握
1. 1.1 A staple or clamp securing an object to a wall or other surface.
  钉子，夹子
  Example sentencesExamples
  Furthermore, the facts that crowns and holdfasts rarely occur attached but that each is preserved with attached incomplete columns, suggest that crowns were broken from their holdfasts prior to burial.
  Crowns commonly have some length of column still attached, and holdfasts, less commonly recognized than crowns, also have some length of column attached.
  Lattice panels, wires, or rough surfaces give tendrils and holdfasts a place to latch onto.
  Synonyms
  brace, vice, press
2. 1.2Biology A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate.
  〔生〕（海藻等的）附着器，固着器
  Example sentencesExamples
  The algae were decapitated, clamped with vice grips at their holdfasts, and secured to the bottom of a unidirectional current tank with an ordinary house brick.
  Heavy grazing may damage and weaken the holdfasts which anchor the algae.
  At the base of the stalk is the holdfast, which cements the alga to the rock and prevents it from being washed away.
  The rostellum ends in a holdfast by which the cell is fixed to the gut wall of its host.

Definition of holdfast in US English:

holdfast

nounˈhōl(d)fastˈhoʊl(d)fæst

1A firm grip.
紧握
1. 1.1 A staple or clamp securing an object to a wall or other surface.
  钉子，夹子
  Example sentencesExamples
  Lattice panels, wires, or rough surfaces give tendrils and holdfasts a place to latch onto.
  Crowns commonly have some length of column still attached, and holdfasts, less commonly recognized than crowns, also have some length of column attached.
  Furthermore, the facts that crowns and holdfasts rarely occur attached but that each is preserved with attached incomplete columns, suggest that crowns were broken from their holdfasts prior to burial.
  Synonyms
  brace, vice, press
2. 1.2Biology A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate.
  〔生〕（海藻等的）附着器，固着器
  Example sentencesExamples
  At the base of the stalk is the holdfast, which cements the alga to the rock and prevents it from being washed away.
  The algae were decapitated, clamped with vice grips at their holdfasts, and secured to the bottom of a unidirectional current tank with an ordinary house brick.
  Heavy grazing may damage and weaken the holdfasts which anchor the algae.
  The rostellum ends in a holdfast by which the cell is fixed to the gut wall of its host.

词汇	holdfast
释义	Definition of holdfast in English: holdfast noun ˈhəʊl(d)fɑːstˈhoʊl(d)fæst 1A firm grip. 紧握 1.1 A staple or clamp securing an object to a wall or other surface. 钉子，夹子 Example sentencesExamples Furthermore, the facts that crowns and holdfasts rarely occur attached but that each is preserved with attached incomplete columns, suggest that crowns were broken from their holdfasts prior to burial. Crowns commonly have some length of column still attached, and holdfasts, less commonly recognized than crowns, also have some length of column attached. Lattice panels, wires, or rough surfaces give tendrils and holdfasts a place to latch onto. Synonyms brace, vice, press 1.2Biology A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate. 〔生〕（海藻等的）附着器，固着器 Example sentencesExamples The algae were decapitated, clamped with vice grips at their holdfasts, and secured to the bottom of a unidirectional current tank with an ordinary house brick. Heavy grazing may damage and weaken the holdfasts which anchor the algae. At the base of the stalk is the holdfast, which cements the alga to the rock and prevents it from being washed away. The rostellum ends in a holdfast by which the cell is fixed to the gut wall of its host. Definition of holdfast in US English: holdfast nounˈhōl(d)fastˈhoʊl(d)fæst 1A firm grip. 紧握 1.1 A staple or clamp securing an object to a wall or other surface. 钉子，夹子 Example sentencesExamples Lattice panels, wires, or rough surfaces give tendrils and holdfasts a place to latch onto. Crowns commonly have some length of column still attached, and holdfasts, less commonly recognized than crowns, also have some length of column attached. Furthermore, the facts that crowns and holdfasts rarely occur attached but that each is preserved with attached incomplete columns, suggest that crowns were broken from their holdfasts prior to burial. Synonyms brace, vice, press 1.2Biology A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate. 〔生〕（海藻等的）附着器，固着器 Example sentencesExamples At the base of the stalk is the holdfast, which cements the alga to the rock and prevents it from being washed away. The algae were decapitated, clamped with vice grips at their holdfasts, and secured to the bottom of a unidirectional current tank with an ordinary house brick. Heavy grazing may damage and weaken the holdfasts which anchor the algae. The rostellum ends in a holdfast by which the cell is fixed to the gut wall of its host.
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