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单词 vegetative
释义

Definition of vegetative in English:

vegetative

adjective ˈvɛdʒɪteɪtɪvˈvɛdʒɪtətɪvˈvɛdʒəˌteɪdɪv
  • 1Biology
    Relating to or denoting reproduction or propagation achieved by asexual means, either naturally (budding, rhizomes, runners, bulbs, etc.) or artificially (grafting, layering, or taking cuttings)

    〔生〕营养体繁殖的;无性生殖的

    vegetative spores

    营养孢子。

    a vegetative replicating phase

    无性复制阶段。

    Example sentencesExamples
    • In the majority of clonal plant species, which reproduce chiefly by vegetative propagation, seedling recruitment is infrequent.
    • The usual mode of reproduction in Hydra is vegetative, by forming asexual buds.
    • Many perennial plants combine sexual reproduction through seeds with reproduction through vegetative propagation.
    • Today Sargassum reproduces asexually by vegetative budding of new shoots that eventually break off to form new plants.
    • Thymus loscosii might have a combined strategy of sexual and asexual reproduction, since vegetative propagation of stolons has been observed in the field.
    1. 1.1 Relating to or concerned with growth rather than sexual reproduction.
      (有关)无性生长的
      environmental factors trigger the switch from vegetative to floral development

      环境因素刺激了从无性发育到花发育的转变。

      Example sentencesExamples
      • Corn growth is in the vegetative stage, ranging from the 4-leaf to 7-leaf stage.
      • They suggested that, for such species, colony design may have been optimized for allocating resources to vegetative growth rather than to the production of larvae.
      • These expression patterns are consistent with roles for invertases both in vegetative and sexual growth cycles.
      • These are the potential meristems that are formed at the base of each leaf during vegetative growth.
      • You'll probably get vegetative growth (leaves and stems) the first year and flowering the second year.
  • 2Relating to vegetation or plant life.

    植物的;植被的

    diverse vegetative types

    不同的植被种类。

    Example sentencesExamples
    • The ability to grow plants devoid of secondary phenolics for several vegetative generations could yield important insights with regard to these, and other processes.
    • The satellite combines the data from the red and near infrared wavelengths to calculate a vegetative index, which is an indication of plant health.
    • As in most other Mediterranean orchids, vegetative characters are similar across species and do not distinguish them.
    • It has been predominantly isolated from soils, vegetative plant parts, seeds, and cotton fabrics.
    • In addition, the modular structure and less targeted vegetative morphology of plants enable them to have much greater morphological plasticity than could typical animals.
    • The tree borders or vegetative buffer strips that are often planted around farm fields to filter out sediment and pesticides in runoff may also provide habitat.
    • This before we even consider my planned treatise on the vegetative god, Drop and Give Me Plenty.
    • Tortula ruralis is an important model system for the study of plant vegetative desiccation tolerance.
    • A summary of the dominance of the herbicide resistance trait, its fitness cost, and its effect on vegetative plant morphology for each of the eight mutant lines
    • Some modifiers have been reported to enhance anthocyanin pigmentation of vegetative parts in plants carrying specific r1 haplotypes.
    • As we've moved, so have our food and exotic vegetative companions like apple and burdock.
    • Inulin type fructan was detected in all vegetative organs of Campanula rapunculoides L. plants.
    • These sugars, normally associated with the seed desiccation process, apparently are not involved in the WD responses of lupin vegetative tissues.
    • Winter chilling has two principal effects: it removes dormancy, so that when warm conditions return in the spring the plants have renewed vegetative vigour.
    • According to noted plant ecologist Andre Clewell, this vegetative mix is normally found on the coast - more than 15 miles away.
    • Waterhemps vary greatly in vegetative characters in nature, but such characters are usually only poorly represented on herbarium specimens.
    • Planting after June 1 generally results in lower yields due to reduced vegetative plant size.
    • A vegetative physiological parameter widely used to study plant tolerance to temperature is cell membrane thermostability.
    • The entire complement of IAA conjugates has also been determined in vegetative tissues of several plant species.
    • A vegetable is technically derived from any other part of the plant - the vegetative parts, including the roots, stem, and leaves.
  • 3Medicine
    (of a person) alive but comatose and without apparent brain activity or responsiveness.

    〔医〕植物人状态的。见PERSISTENT VEGETATIVE STATE

    See persistent vegetative state
    Example sentencesExamples
    • Diagnosis depends on careful clinical observation over many weeks, because there are no laboratory or imaging tests that reliably indicate that a patient is vegetative.
    • Take away the ability to move control eye movements, and the person who's locked-in becomes defined as persistent vegetative.
    • Persistent vegetative state usually occurs after a severe head injury.
    • The imminent threat of Malcolm's death or long-term permanent paralysis and vegetative state from serious brain damage had immobilized and terrified them.
    • Older patients, particularly women, may have vegetative symptoms and cognitive dysfunction.

Derivatives

  • vegetatively

  • adverb
    • Very little fluorescence, if any, was detected in both transformants when they were vegetatively growing, as was consistent with the results of Northern blot analysis.
      Example sentencesExamples
      • The presence of a self-incompatibility mechanism and its inability to reproduce vegetatively makes Trillium grandiflorum reproduction dependent on pollinator activity.
      • Despite little reproduction by seed, N. antarctica plays an important role in the post-fire restoration of plant communities because of its ability to regenerate vegetatively from burned stumps by coppice and root suckers.
      • The petunias I wrote about last week were all propagated vegetatively, from cuttings or by tissue culture.
      • Because Chlamydomonas is a multiple-fission alga, a cell that is growing vegetatively may yield daily two or more daughter cells, all of which need to be incapacitated by UV treatment to prevent colony formation.
  • vegetativeness

  • noun
    • The grapes were grown in Monterey County, not the best Cabernet region in the state because of a telltale vegetativeness that frequently distinguishes the varietal when it is grown there.
      Example sentencesExamples
      • Like to but don't always get up to much, so at various points it's city exploration, sofa-based vegetativeness, recently I even went hiking in the West Sussex downs - imagine that.
      • Man is a microcosm, as the neck separates rationality from vitality, so does diaphragm the vitality from the vegetativeness.
      • After twenty-two months in barrel, the blueberry fruit seems remarkably straight forward, though a bit of vegetativeness creeps in around the edges.
      • The doctors said that the blood flow to his brain had temporarily stopped causing him to fall into a state of temporary vegetativeness.

Origin

Late Middle English (in sense 2): from Old French vegetatif, -ive or medieval Latin vegetativus (see vegetate).

Definition of vegetative in US English:

vegetative

adjectiveˈvɛdʒəˌteɪdɪvˈvejəˌtādiv
  • 1Biology
    Relating to or denoting reproduction or propagation achieved by asexual means, either naturally (budding, rhizomes, runners, bulbs, etc.) or artificially (grafting, layering, or taking cuttings)

    〔生〕营养体繁殖的;无性生殖的

    vegetative spores

    营养孢子。

    a vegetative replicating phase

    无性复制阶段。

    Example sentencesExamples
    • Today Sargassum reproduces asexually by vegetative budding of new shoots that eventually break off to form new plants.
    • In the majority of clonal plant species, which reproduce chiefly by vegetative propagation, seedling recruitment is infrequent.
    • Thymus loscosii might have a combined strategy of sexual and asexual reproduction, since vegetative propagation of stolons has been observed in the field.
    • Many perennial plants combine sexual reproduction through seeds with reproduction through vegetative propagation.
    • The usual mode of reproduction in Hydra is vegetative, by forming asexual buds.
    1. 1.1 Relating to or concerned with growth rather than sexual reproduction.
      (有关)无性生长的
      environmental factors trigger the switch from vegetative to floral development

      环境因素刺激了从无性发育到花发育的转变。

      Example sentencesExamples
      • These expression patterns are consistent with roles for invertases both in vegetative and sexual growth cycles.
      • Corn growth is in the vegetative stage, ranging from the 4-leaf to 7-leaf stage.
      • You'll probably get vegetative growth (leaves and stems) the first year and flowering the second year.
      • These are the potential meristems that are formed at the base of each leaf during vegetative growth.
      • They suggested that, for such species, colony design may have been optimized for allocating resources to vegetative growth rather than to the production of larvae.
  • 2Relating to vegetation or plant life.

    植物的;植被的

    diverse vegetative types

    不同的植被种类。

    Example sentencesExamples
    • Planting after June 1 generally results in lower yields due to reduced vegetative plant size.
    • Tortula ruralis is an important model system for the study of plant vegetative desiccation tolerance.
    • Inulin type fructan was detected in all vegetative organs of Campanula rapunculoides L. plants.
    • It has been predominantly isolated from soils, vegetative plant parts, seeds, and cotton fabrics.
    • In addition, the modular structure and less targeted vegetative morphology of plants enable them to have much greater morphological plasticity than could typical animals.
    • According to noted plant ecologist Andre Clewell, this vegetative mix is normally found on the coast - more than 15 miles away.
    • The entire complement of IAA conjugates has also been determined in vegetative tissues of several plant species.
    • The tree borders or vegetative buffer strips that are often planted around farm fields to filter out sediment and pesticides in runoff may also provide habitat.
    • Waterhemps vary greatly in vegetative characters in nature, but such characters are usually only poorly represented on herbarium specimens.
    • The satellite combines the data from the red and near infrared wavelengths to calculate a vegetative index, which is an indication of plant health.
    • The ability to grow plants devoid of secondary phenolics for several vegetative generations could yield important insights with regard to these, and other processes.
    • As we've moved, so have our food and exotic vegetative companions like apple and burdock.
    • A vegetative physiological parameter widely used to study plant tolerance to temperature is cell membrane thermostability.
    • These sugars, normally associated with the seed desiccation process, apparently are not involved in the WD responses of lupin vegetative tissues.
    • This before we even consider my planned treatise on the vegetative god, Drop and Give Me Plenty.
    • Some modifiers have been reported to enhance anthocyanin pigmentation of vegetative parts in plants carrying specific r1 haplotypes.
    • A vegetable is technically derived from any other part of the plant - the vegetative parts, including the roots, stem, and leaves.
    • Winter chilling has two principal effects: it removes dormancy, so that when warm conditions return in the spring the plants have renewed vegetative vigour.
    • A summary of the dominance of the herbicide resistance trait, its fitness cost, and its effect on vegetative plant morphology for each of the eight mutant lines
    • As in most other Mediterranean orchids, vegetative characters are similar across species and do not distinguish them.
  • 3Medicine
    (of a person) alive but comatose and without apparent brain activity or responsiveness.

    〔医〕植物人状态的。见PERSISTENT VEGETATIVE STATE

    See persistent vegetative state
    Example sentencesExamples
    • Older patients, particularly women, may have vegetative symptoms and cognitive dysfunction.
    • Take away the ability to move control eye movements, and the person who's locked-in becomes defined as persistent vegetative.
    • Persistent vegetative state usually occurs after a severe head injury.
    • Diagnosis depends on careful clinical observation over many weeks, because there are no laboratory or imaging tests that reliably indicate that a patient is vegetative.
    • The imminent threat of Malcolm's death or long-term permanent paralysis and vegetative state from serious brain damage had immobilized and terrified them.

Origin

Late Middle English (in vegetative (sense 2)): from Old French vegetatif, -ive or medieval Latin vegetativus (see vegetate).

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更新时间:2024/9/21 17:28:48