Definition of protochordate in English:

protochordate

noun ˌprəʊtə(ʊ)ˈkɔːdeɪtˌprəʊtə(ʊ)ˈkɔːdət

Zoology

Any of the small marine animals belonging to the phylum Hemichordata or to either of the chordate subphyla Urochordata and Cephalochordata, characterized (at some point in the life cycle) by a hollow dorsal nerve cord, a notochord, and gill slits; a hemichordate, urochordate, or cephalochordate, or a hypothetical ancestral form of any of these.

adjective ˌprəʊtə(ʊ)ˈkɔːdeɪtˌprəʊtə(ʊ)ˈkɔːdət

Zoology

Of or designating a protochordate.

Origin

Late 19th century. From proto- + chordate, after scientific Latin Protochordata, former group name.

Definition of protochordate in US English:

protochordate

noun

Zoology

Any of the small marine animals belonging to the phylum Hemichordata or to either of the chordate subphyla Urochordata and Cephalochordata, characterized (at some point in the life cycle) by a hollow dorsal nerve cord, a notochord, and gill slits; a hemichordate, urochordate, or cephalochordate, or a hypothetical ancestral form of any of these.

adjective

Zoology

Of or designating a protochordate.

Origin

Late 19th century. From proto- + chordate, after scientific Latin Protochordata, former group name.

单词	protochordate
释义	Definition of protochordate in English: protochordate noun ˌprəʊtə(ʊ)ˈkɔːdeɪtˌprəʊtə(ʊ)ˈkɔːdət Zoology Any of the small marine animals belonging to the phylum Hemichordata or to either of the chordate subphyla Urochordata and Cephalochordata, characterized (at some point in the life cycle) by a hollow dorsal nerve cord, a notochord, and gill slits; a hemichordate, urochordate, or cephalochordate, or a hypothetical ancestral form of any of these. adjective ˌprəʊtə(ʊ)ˈkɔːdeɪtˌprəʊtə(ʊ)ˈkɔːdət Zoology Of or designating a protochordate. Origin Late 19th century. From proto- + chordate, after scientific Latin Protochordata, former group name. Definition of protochordate in US English: protochordate noun Zoology Any of the small marine animals belonging to the phylum Hemichordata or to either of the chordate subphyla Urochordata and Cephalochordata, characterized (at some point in the life cycle) by a hollow dorsal nerve cord, a notochord, and gill slits; a hemichordate, urochordate, or cephalochordate, or a hypothetical ancestral form of any of these. adjective Zoology Of or designating a protochordate. Origin Late 19th century. From proto- + chordate, after scientific Latin Protochordata, former group name.
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