ICHTHYOPSIDA
\ˈɪkθɪˌɒpsɪdə], \ˈɪkθɪˌɒpsɪdə], \ˈɪ_k_θ_ɪ__ˌɒ_p_s_ɪ_d_ə]\
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By Oddity Software
By Noah Webster.
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ik-thi-op'si-da, n.pl. one of three primary groups of vertebrates in Huxley's classification (the other two, Sauropsida and Mammalia), comprising the amphibians or batrachians and the fish and fish-like vertebrates. [Gr. ichthys, fish, opsis, appearance.]
By Thomas Davidson
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[Gr.] (Zool.) Fish, and amphibians when classed together as Branchiate vertebrates, i.e. as V. possessing temporary or persistent gills.
By Henry Percy Smith
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.