Definition of bivalve in English:

bivalve

See synonyms for bivalve on Thesaurus.com

Translate bivalve into Spanish

noun

  • An aquatic mollusk that has a compressed body enclosed within a hinged shell, such as oysters, clams, mussels, and scallops.

    Also called pelecypod or lamellibranch

    Class Bivalvia (formerly Pelecypoda or Lamellibranchia)

    ‘Shell fragments of bivalves and gastropods are common in Neogene shallow-water deposits.’
    • ‘Some sponges bore into the shells of bivalves, gastropods, and the colonial skeletons of corals by slowly etching away chips of calcareous material.’
    • ‘Based on gastropods, bivalves, and planktonic foraminifera, Kilmer assigned this formation to the Turonian.’
    • ‘Most shells were bivalves, especially clams and some mussels.’
    • ‘Many bivalves and brachiopods possess multilayered shells.’
    • ‘Many modern gastropods and bivalves respond to increased temperature by increasing both shell and soft tissue growth rates.’
    • ‘As in most bivalves, the shell is composed of three layers: the periostracum, the prismatic layer, and the nacre.’
    • ‘It was thought that this behavior was an adaptation for desiccation resistance analogous to the closed shells of bivalves.’
    • ‘Finally, there was disagreement over how many major subdivisions were recognized within the bivalves.’
    • ‘Mussels, like other bivalves, obtain all their nutrients - including iron - by filtering them from the water.’
    • ‘There is no evidence for trans-Panthalassan dispersal of bivalves in low latitudes within the interval of Ladinian coral beds.’
    • ‘Freshwater bivalves, snails, and branchiopod Crustacea were common.’
    • ‘Many bivalves (such as clams or oysters) are used as food in places all over the world.’
    • ‘Both species of crayfish readily ate native bivalves.’
    • ‘However, early calapids in the Cretaceous were smaller in size and are not considered as major predators of bivalves and gastropods.’
    • ‘This pattern was documented for both bivalves and gastropods and continued from the mid to late Paleocene until the early Eocene.’
    • ‘Notable is the relative rarity of bivalves and gastropods, consistent with a deeper water environment.’
    • ‘Despite their unusual features, it is generally believed that the closest relatives of scaphopods are the bivalves.’
    • ‘Marine invertebrates include ammonites, echinoderms, bivalves and crustaceans, but infaunal elements are rare.’
    • ‘A bivalve closes its shells by contracting its powerful adductor muscles.’

Pronunciation

bivalve

/ˈbīˌvalv/ /ˈbaɪˌvælv/

adjective

(also bivalved)
  • 1Zoology
    (of a mollusk or other aquatic invertebrate) with a hinged shell.

    ‘This makes brachiopods look superficially like bivalved molluscs (clams, oysters, etc.)’
    • ‘In bivalve molluscs, growth rate of the shell tends to decelerate with growth and the shell generally becomes more inflated in the late growth stage.’
    • ‘The hinge ligament of bivalve shell is an example of a complex development.’
    • ‘Other species take refuge in a protective structure surrounding their body, such as polychaete tubeworms, caddis fly larvae, gastropod and bivalve mollusks, hermit crabs, barnacles, turtles, and armadillos.’
    • ‘The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.’
    • ‘Generally fast-growing bivalved molluscs originated in near-shore environments, and later joined slower growing brachiopods offshore.’
    • ‘Additional studies are required to resolve questions of vitellogenin regulation and the role of estrogens in bivalve molluscs.’
    • ‘Many suspension-feeding marine bivalve molluscs live in variable environments such as estuaries and shallow coastal waters.’
    • ‘However, as early as 1923 Collip reported finding insulin-like activity in a bivalve mollusc, Mya arenaria.’
    • ‘We continue to use these techniques for the isolation of new genes involved in physiological processes in fish and bivalve molluscs.’
    • ‘One of these is the bivalves (sometimes called pelecypods or lamellibranchs), an important group of bivalved molluscs familiar to all from the numerous shells that litter beaches.’
    • ‘Sea urchins, like bivalve molluscs, are cosmopolitan in their distribution and by selecting a range of species a regular supply of gametes can be obtained for laboratory testing purposes.’
    • ‘The smaller waders will feed on the bivalve molluscs and the little worms and that that are actually in the mud and sand.’
    • ‘In many bivalve shells, growth lines become closely spaced in the late growth stage, accompanied by prominent shell inflation and thickening of the shell.’
    • ‘Thus, they are mechanically much weaker than other bivalve shells and are easily fragmented after break-down of the organic matter.’
    • ‘These and other studies from native habitats have demonstrated that green crabs have a broad diet range, but that bivalve molluscs generally make up the largest part of their diet.’
    • ‘The only bivalve group having comparable hinge features is the Philobryidae (Arcoida, Limopsoidea).’
    • ‘Large, relatively well-preserved bivalve shells, rhodoliths and nodular bryozoans (several centimetres in size) occur together with volcanic pebbles, at the front of the landward-dipping beds.’
    • ‘Bradoriids are small bivalved arthropods, historically considered to be the oldest members of the Ostracoda.’
    • ‘This type of ornamentation is often found in crustaceans including Daphnia, many species of ostracodes, and other Cambrian bivalved arthropods such as Isoxys.’
    1. 1.1Botany Having two valves.
      ‘There is a large class of plants which have their seeds enclosed in a sort of bivalve pericarp, usually called a "pod."’
      • ‘The bean seed grows in a bivalve pod called a legume.’
      • ‘The soybean plant is called a legume because it produces a bivalve pod or fruit.’

Pronunciation

bivalve

/ˈbīˌvalv/ /ˈbaɪˌvælv/