Definition of pentadactyl in English:

pentadactyl

adjective ˌpɛntəˈdaktɪlˌpɛn(t)əˈdæktl

Zoology

(of a vertebrate limb) having five toes or fingers, or derived from such a form, as characteristic of all tetrapods.
〔动〕（脊椎动物四肢）五趾的；五指的
Example sentencesExamples
- No single mutation can produce a pentadactyl limb of vertebrate type on a Drosophila.
- These morphological facts show that the pentadactyl limb arose after the fin-limb transition and is the product of the canalization of the phenotype of the archaic limbs.
- The pentadactyl pattern is a repeated design because it was available.
- Others include pentadactyl feet and presence of a clavicle.
- First, it's quite easy to ‘imagine’ a vertebrate without the pentadactyl pattern.

Derivatives

pentadactyly

noun ˌpɛntəˈdaktɪli

Zoology

He pointed out, for example, that the developmental genetic explanation of the prevalence of pentadactyly assumes tetrapod monophyly.
Example sentencesExamples
- This was a very surprising discovery because pentadactyly had been assumed to be the normal condition in ‘early’ tetrapods.

Origin

Early 19th century: from penta- 'five' + Greek daktulos 'finger'.

Definition of pentadactyl in US English:

pentadactyl

adjectiveˌpen(t)əˈdaktlˌpɛn(t)əˈdæktl

Zoology

(of a vertebrate limb) having five toes or fingers, or derived from such a form, as characteristic of all tetrapods.
〔动〕（脊椎动物四肢）五趾的；五指的
Example sentencesExamples
- These morphological facts show that the pentadactyl limb arose after the fin-limb transition and is the product of the canalization of the phenotype of the archaic limbs.
- No single mutation can produce a pentadactyl limb of vertebrate type on a Drosophila.
- Others include pentadactyl feet and presence of a clavicle.
- First, it's quite easy to ‘imagine’ a vertebrate without the pentadactyl pattern.
- The pentadactyl pattern is a repeated design because it was available.

Origin

Early 19th century: from penta- ‘five’ + Greek daktulos ‘finger’.

单词	pentadactyl
释义	Definition of pentadactyl in English: pentadactyl adjective ˌpɛntəˈdaktɪlˌpɛn(t)əˈdæktl Zoology (of a vertebrate limb) having five toes or fingers, or derived from such a form, as characteristic of all tetrapods. 〔动〕（脊椎动物四肢）五趾的；五指的 Example sentencesExamples No single mutation can produce a pentadactyl limb of vertebrate type on a Drosophila. These morphological facts show that the pentadactyl limb arose after the fin-limb transition and is the product of the canalization of the phenotype of the archaic limbs. The pentadactyl pattern is a repeated design because it was available. Others include pentadactyl feet and presence of a clavicle. First, it's quite easy to ‘imagine’ a vertebrate without the pentadactyl pattern. Derivatives pentadactyly noun ˌpɛntəˈdaktɪli Zoology He pointed out, for example, that the developmental genetic explanation of the prevalence of pentadactyly assumes tetrapod monophyly. Example sentencesExamples This was a very surprising discovery because pentadactyly had been assumed to be the normal condition in ‘early’ tetrapods. Origin Early 19th century: from penta- 'five' + Greek daktulos 'finger'. Definition of pentadactyl in US English: pentadactyl adjectiveˌpen(t)əˈdaktlˌpɛn(t)əˈdæktl Zoology (of a vertebrate limb) having five toes or fingers, or derived from such a form, as characteristic of all tetrapods. 〔动〕（脊椎动物四肢）五趾的；五指的 Example sentencesExamples These morphological facts show that the pentadactyl limb arose after the fin-limb transition and is the product of the canalization of the phenotype of the archaic limbs. No single mutation can produce a pentadactyl limb of vertebrate type on a Drosophila. Others include pentadactyl feet and presence of a clavicle. First, it's quite easy to ‘imagine’ a vertebrate without the pentadactyl pattern. The pentadactyl pattern is a repeated design because it was available. Origin Early 19th century: from penta- ‘five’ + Greek daktulos ‘finger’.
随便看	look (or feel)(like) a million dollars look (or feel)(like) a million dollars look (or glare) daggers at look (or glare) daggers at look (or hark) who's talking look (or hark) who's talking look out lookout look out look out look out for lookout man/woman Lookout Mountain look out on look out on/over look out over lookout point lookouts lookout station lookout tower look-over look over look over/across look past look quickly