Definition of petalodont in English:

petalodont

noun ˈpɛt(ə)lə(ʊ)dɒnt

A pavement-toothed shark of the extinct family Petalodontidae or order Petalodontiformes, having petal-shaped teeth and known from Carboniferous and Permian fossils.

adjective ˈpɛt(ə)lə(ʊ)dɒnt

Of or relating to the extinct shark family Petalodontidae or order Petalodontiformes.

Origin

Late 19th century. From scientific Latin Petalodont- (in Petalodontidae, family name; from ancient Greek πέταλον leaf + scientific Latin -odont + -idae, after Petalodus, genus name).

Definition of petalodont in US English:

petalodont

nounˈpɛt(ə)lə(ʊ)dɒnt

A pavement-toothed shark of the extinct family Petalodontidae or order Petalodontiformes, having petal-shaped teeth and known from Carboniferous and Permian fossils.

adjectiveˈpɛt(ə)lə(ʊ)dɒnt

Of or relating to the extinct shark family Petalodontidae or order Petalodontiformes.

Origin

Late 19th century. From scientific Latin Petalodont- (in Petalodontidae, family name; from ancient Greek πέταλον leaf + scientific Latin -odont + -idae, after Petalodus, genus name).

词汇	petalodont
释义	Definition of petalodont in English: petalodont noun ˈpɛt(ə)lə(ʊ)dɒnt A pavement-toothed shark of the extinct family Petalodontidae or order Petalodontiformes, having petal-shaped teeth and known from Carboniferous and Permian fossils. adjective ˈpɛt(ə)lə(ʊ)dɒnt Of or relating to the extinct shark family Petalodontidae or order Petalodontiformes. Origin Late 19th century. From scientific Latin Petalodont- (in Petalodontidae, family name; from ancient Greek πέταλον leaf + scientific Latin -odont + -idae, after Petalodus, genus name). Definition of petalodont in US English: petalodont nounˈpɛt(ə)lə(ʊ)dɒnt A pavement-toothed shark of the extinct family Petalodontidae or order Petalodontiformes, having petal-shaped teeth and known from Carboniferous and Permian fossils. adjectiveˈpɛt(ə)lə(ʊ)dɒnt Of or relating to the extinct shark family Petalodontidae or order Petalodontiformes. Origin Late 19th century. From scientific Latin Petalodont- (in Petalodontidae, family name; from ancient Greek πέταλον leaf + scientific Latin -odont + -idae, after Petalodus, genus name).
随便看	infrarenal infrasonic infrasound infraspecific infrastructural infrastructural infrastructure infrastructures in french-speaking countries abbé infrequencies infrequency infrequency infrequent infrequented infrequently infrequently infringe infringed infringement infringement infringement of infringement of copyright infringements infringe on infringer