Arctogaea
a biogeographical division comprising the holarctic and paleotropical regions.
historical examples
arctogaea as a whole may be characterised by both negative and positive characters.
the cambridge natural history, vol x., mammalia frank evers beddard
noun
a zoogeographical area comprising the palaearctic, nearctic, oriental, and ethiopian regions compare neogaea, notogaea
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- Arctogaean
a biogeographical division comprising the holarctic and paleotropical regions. adjective of or relating to arctogaea noun a zoogeographical area comprising the palaearctic, nearctic, oriental, and ethiopian regions compare neogaea, notogaea
- Arctophilist
noun see arctophile
- Arcturian
a first-magnitude star in the constellation boötes. historical examples it was a gentle dig at his arcturian homeland, which was smaller than most planets. youth isaac asimov for twenty-four hours on that arcturian planet, i would give my life. a voyage to arcturus david lindsay they are of a spectral type approximately solar; no orion, […]
- Arcuate
bent or curved like a bow. historical examples some specimens also have an arcuate black band over the forehead from one outer corner of the eye to the other. a hand-book to the primates, volume 1 (of 2) henry o. forbes these dichotomous processes are nothing more than branches developed from the arcuate, or mother […]
- Arcuate artery of kidney
arcuate artery of kidney arcuate artery of kidney n. any of the branches of the interlobar arteries of the kidney that turn at the junction of the cortex and medulla and proceed at right angles to the parent stem and approximately parallel to the surface of the kidney.